Marpaung, Dewi Natalia, Jesi Jecsen Pongkendek, Muhammad Fath Azzajjad, and Sukirno Sukirno. 2021. “Analysis of Student Motivation Using Chemsketch on Hydrocarbon Topic in SMA Negeri 2 Merauke”. Journal of Applied Science, Engineering, Technology, and Education 3 (1). Takalar, Indonesia, 69-73. https://doi.org/10.35877/454RI.asci105.