Wahyuningsih, Kendri, Jumeri Jumeri, and Wagiman Wagiman. “Green Catalysts Activities of CaO Nanoparticles from Pinctada Maxima Shell on Alcoholysis Reaction”. EKSAKTA: Journal of Sciences and Data Analysis 18, no. 2 (September 17, 2018): 121–136. Accessed May 1, 2024. https://journal.uii.ac.id/Eksakta/article/view/11015.