FINGERPRINT ANALYSIS OF BETEL (Piper betle L.) AS RAW MATERIALS OF TRADITIONAL MEDICINE USING FTIR SPECTROSCOPE. PHA [Internet]. 2023 May 25 [cited 2026 Oct. 2];12(2):193-8. Available from: https://ejournal.unsrat.ac.id/v3/index.php/pharmacon/article/view/40599