“Ethnobotany of Pelleng, a Pakpak Batak Spiced Rice from Bakal Julu Community, and Its Application in Biology Learning through Educational Posters”. Borneo Journal of Biology Education (BJBE) 7, no. 2 (November 1, 2025): 159–171. Accessed September 21, 2026. https://jurnal.ubt.ac.id/index.php/bjbe/article/view/375.