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Rahmawati ANYP, Tirtanirmala P, Pangeran K. PHYTOCHEMICAL SCREENING OF PULAI STEM BARK (Alstonia scholaris (L.) R. Br) METHANOL EXTRACT USING ULTRASONIC ASSISTED EXTRACTION METHOD. JRPPS [Internet]. 2025 Dec. 29 [cited 2026 Sep. 25];4(2):61-6. Available from: https://ejournal.upnvj.ac.id/JRPPS/article/view/13038