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All Journal Jurnal Pendidikan Dasar JURNAL EDUCATION AND DEVELOPMENT Indian Journal of Forensic Medicine & Toxicology
Puji Rahmawati
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Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Education Languange, Linguistic, Communication & Media Public Health

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Quantitative Risk Assesment of Benzene Exposure in Printing Industry X Surabaya City Amanda Fithri Habibati; Abdul Rohim Tualeka; Juliana Jalaludin; Syamsiar Russeng; Ahsan; Puji Rahmawati
Indian Journal of Forensic Medicine & Toxicology Vol. 16 No. 1 (2022): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v16i1.17453

Abstract

Benzene is a compound chemically volatile and lasts a long time in the air and quicklyinhaled into the human body. The use of benzene is widely used in various industries, one ofwhich is the printing industry. Benzene produced right in the printing industry are ink, cleaning fluid,and when the machine in operation. Workers exposed to benzene can risk cancer and non-cancer healtheffects that are harmful to the human body. This study aimed to assess cancer and non-cancer risk ofworkers in the printing industry X Surabaya City. This research is observational, cross-sectional withthe same sample with a total population of 11 workers in the printing industry X Surabaya City. Therisk assessment method uses four stages: hazard identification, exposure analysis, dose and responseanalysis, and risk characterization. This research shows that the average concentration of benzene is1.0729 mg/m3 or 0.34 ppm. RQ value > 1 both real-time and lifetime. As many as 63.6% of workershave real-time ECR >10 -4, and 81.8% of workers have ECR lifetime >10-4. This study concludes thatworkers are in an unsafe condition and have non-carcinogenic and carcinogenic health risks.
UPAYA MENINGKATKAN KEMAMPUAN BERHITUNG PERKALIAN MELALUI MODEL PEMBELAJARAN MAKE A MATCH BERBANTUAN MEDIA GAME BISTIK (BILANGAN STIK) Syifa Cinantya Naufalin; Galih Istiningsih; Kun Hisnan Hajron; Puji Rahmawati
Jurnal Education and Development Vol 12 No 1 (2024): Vol 12 No 1 Januari 2024
Publisher : Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/ed.v12i1.5572

Abstract

Penelitian ini bertujuan untuk mengetahuai peningkatan kemampuan berhitung perkalian siswa kelas IV di SD Negeri Gondosuli 1 Kecamatan Muntilan melalui model pembelajaran Make a Match berbantuan media game bistik (bilangan stik). Jenis penelitian ini adalah penelitian tindakan kelas atau PTK. Subjek dalam penelitian ini adalah siswa kelas IV SD Negeri Gondosuli 1 yang berjumlah 18 siswa. Objek penelitiannya adalah kemampuan berhitung operasi perkalian dengan menggunakan model pembelajaran make a match berbantuan media game bistik (bilangan stik). Penelitian ini menggunakan Penelitian Tindakan Kelas (PTK) yang dikembangkan oleh Kemmis dan Mc. Taggart, yang terdiri dari dua siklus. Setiap siklus terdiri dari empat tahapan, yaitu perencanaan, pelaksanaan, evaluasi, dan refleksi. Metode pengumpulan data yang digunakan meliputi observasi dan tes tertulis. Hasil penelitian menunjukkan bahwa model pembelajaran make a match berbantuan media game bistik (bilangan stik) dapat meningkatkan kemampuan operasi hitung perkalian pada siswa kelas IV di SD Negeri Gondosuli 1 mengalami peningkatan dalam berbagai aspek, seperti nilai tertinggi yang tetap stabil pada setiap tahap, nilai terendah yang meningkat dari 40 menjadi sekitar 53 hingga akhirnya mencapai 60, nilai rata-rata yang mengalami peningkatan dari 69 menjadi 73 dan kemudian 80. Selain itu, terjadi peningkatan presentase pencapaian KKM dari 11% menjadi 44% dan akhirnya mencapai 77%.
UPAYA MENINGKATKAN KETERAMPILAN MEMBACA DENGAN MEDIA AUDIO VISUAL PADA SISWA KELAS V SD NEGERI 13 PESING PUJI RAHMAWATI; Siti Fitriyah Mutmainah
Jurnal Pendidikan Dasar Vol 11, No 2 (2023): Desember 2023
Publisher : STKIP Melawi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46368/jpd.v11i2.1023

Abstract

This research was motivated by the low reading skills in class V of SD Negeri 13 Pesing, Sekayam District, Sanggau Regency. The formulation of the problem is “What the use of audio-visual media improved students' reading skills at SDN 13 Pesing?”. The purpose of this research is to improve reading skills by using audio-visual media. The type of research is Classroom Action Research (CAR). The location is in class V SD Negeri 13 Pesing. The subjects were 36 students of class V. Data collection techniques used test techniques and non-test techniques. The research instrument is a test and non-test. The results of the research on reading skills using audio-visual media have increased. Cycle I is students' reading skills completed 27 students (75%) and 9 students (25%) did not complete. As for the results of observations of student activity with a rating of 27 students (75%) in Good (B) category, 6 students (16.67%) in Enough (C) category, and 3 students (13.63%), in Poor (D) category. In cycle II, 32 students (88.87%) completed their reading skills and 4 students (11.11%) did not complete them. Student activity with a rating of Very Good (A) 32 students (88.87%), Good (B) 2 students (2.78%) and 2 students (2.78%) Fair (C).
Co-Authors Abdul Rohim Tualeka Ahsan Amanda Fithri Habibati Galih Istiningsih Juliana Jalaludin Kun Hisnan Hajron Siti Fitriyah Mutmainah Syamsiar Russeng Syifa Cinantya Naufalin