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All Journal JEJAK Journal of Indonesian Economy and Business International Research Journal of Business Studies (E-Journal)
Berto Usman, Berto
Department of Management, Faculty of Economics and Business University of Bengkulu,
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Social Sciences

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Journal : International%20Research%20Journal%20of%20Business%20Studies%20(E-Journal)

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Does Bid/Ask Spread React to the Increase of Internet Search Traffic? Nurazi, Ridwan; Usman, Berto; Kananlua, Paulus S.
INTERNATIONAL RESEARCH JOURNAL OF BUSINESS STUDIES Vol 8, No 3 (2015): December 2015 - March 2016
Publisher : Universitas Prasetiya Mulya

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CSR Practice and Asymmetry Information of Indonesian Public Listed Companies Usman, Berto; Yennita, Yennita
INTERNATIONAL RESEARCH JOURNAL OF BUSINESS STUDIES Vol 11, No 1 (2018): April-July 2018
Publisher : Universitas Prasetiya Mulya

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Co-Authors Eduardus Tandelilin Kananlua, Paulus S. Kassie, Nega Muhabaw Ridwan Nurazi, Ridwan Wahyudi, Fitra Yennita Yennita