Auliany, Shella, Dini Hadiarti, and Rizmahardian Ashari Kurniawan. “Development of Student Handbook on the Extraction of Secondary Metabolites Based on Premna Serratifolia Research”. Jurnal Penelitian Pendidikan IPA 10, no. 9 (September 25, 2024): 6920–6928. Accessed November 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/8189.