Gumilar, Anggi, Adinda Triani Putri, Mira Andam Dewi, and Slamet Ibrahim. “SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF SELENIUM IN HEALTH SUPPLEMENTS USING 2,3 DIAMINONAPHTALENE AS COLORIMETRIC REAGENT”. Acta Pharmaceutica Indonesia 50, no. 2 (December 24, 2025): 89 - 94. Accessed January 6, 2026. https://journals.itb.ac.id/index.php/acta/article/view/24847.