Christina, Odilia Dea, Aisiyah Nurul, and Ayu Ina Ina. “OPTIMIZATION OF MOBILE PHASE IN HIGH PERFORMANCE LIQUID CHROMATOGRAPHY FOR THE DETERMINATION OF PIPERINE JAVA LONG PEPPER (Piper Retrofractum Vahl.)”. Jurnal Farmasi & Sains Indonesia 7, no. 1 (June 20, 2024): 187–191. Accessed July 20, 2025. https://jurnal.stifera.ac.id/index.php/jfsi/article/view/341.