<![CDATA[LKPD practicum is a learning tool containing work steps that can be used as a guideline for students to rejuvenate in carrying out practicum activities. This research aims to develop LKPD practicum based on Project Based Learning (PjBL). This type of research is development research. The preparation of practicum LKPD uses the ADDIE model, but in this study only focuses on the ADD (Analysis, Design, and Development) stage. The LKPD design that has been prepared before being tested is measured for quality through validation activities by material experts and media experts. The validation activity aims to obtain input in the form of criticism, suggestions, and responses from validators on the quality of the LKPD that has been prepared, so that they can find out the conformity of the LKPD with predetermined standards. Validation was carried out by 2 material experts and 2 media experts, in this case lecturers from the Biology Education study program at PGRI Semarang University. The final average score of validation results by material experts was 92.36% and media experts was 90.33%. This value is included in the very valid category, so that the LKPD that has been prepared is suitable for use in class X Biology learning on Environmental Pollution material.]]>
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