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Ni, L. , Kiflee, D. , Keong, T. , Talip, R. , Singh, S. , Japuni, M. , Talin, R.. "The Effectiveness of Video Clips to Enhance Students’ Achievement and Motivation on History Learning and Facilitation". World Academy of Science, Engineering and Technology, Open Science Index 151, International Journal of Educational and Pedagogical Sciences (2019), 13(7), 1048 - 1055.