azhar, minda, Ulianas, A., Khair, M., M, H., S, N. and Zulhendra, zulhendra (2019) “Enhancement of Teacher Knowledge in Making ICT-Based Chemistry Learning Media with emphasis on Three Levels of Representation”, Pelita Eksakta, 2(1), pp. 15-21. doi: 10.24036/pelitaeksakta/vol2-iss1/40.