Rahmawati, Arini Nur Yunia Puspitaningrum, Prisnu Tirtanirmala, and Khrisna Pangeran. “PHYTOCHEMICAL SCREENING OF PULAI STEM BARK (Alstonia Scholaris (L.) R. Br) METHANOL EXTRACT USING ULTRASONIC ASSISTED EXTRACTION METHOD”. Journal of Research in Pharmacy and Pharmaceutical Sciences 4, no. 2 (December 29, 2025): 61–66. Accessed September 25, 2026. https://ejournal.upnvj.ac.id/JRPPS/article/view/13038.