“UJI AKTIVITAS INHIBISI TERHADAP ENZIM TIROSINASE DARI EKSTRAK ETANOL DAUN PEPAYA (Carica papaya L.) SECARA IN VITRO” (2019) Jurnal Penelitian Farmasi Indonesia, 7(2), pp. 34–38. Available at: http://ejournal.stifar-riau.ac.id/index.php/jpfi/article/view/460 (Accessed: 18 June 2026).