Purwaningrum Y, Napitupulu J, Siregar T, Hanum C. Histology and Physiology of BPM1 Clones with Different Exploitation Systems. IJSBAR. 2015;21(1):138-148. Accessed September 14, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3600