Punnarak, Phoomrapee, Supakorn Mutthajaratkul, Ammarin Autama, Jankana Burana-osot, Somlak Kongmuang, Sathit Niratisai, and Panadda Phattanawasin. “DEVELOPMENT AND VALIDATION OF A FOLIN–CIOCALTEU-BASED SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF BISACODYL IN BULK PHARMACEUTICAL MATERIAL”. Thai Bulletin of Pharmaceutical Sciences 21, no. 2 (June 24, 2026): 203–213. accessed September 21, 2026. https://li01.tci-thaijo.org/index.php/TBPS/article/view/271788.