Ningrum, Retno, Elly Purwanti, and Sukarsono Sukarsono. “Alkaloid Compound Identification of Rhodomyrtus Tomentosa Stem As Biology Instructional Material for Senior High School X Grade”. JPBI (Jurnal Pendidikan Biologi Indonesia) 2, no. 3 (February 9, 2017): 231–236. Accessed June 9, 2026. https://ejournal.umm.ac.id/index.php/jpbi/article/view/3863.