-, Wiranda, Sumaryati Syukur, and Hermansyah Aziz. “DETERMINATION OF CALCIUM (Ca) AND MAGNESIUM (Mg) CONTENT IN CACAO (Theobroma Cacao Linn) FERMENTATION AND NON FERMENTATION BY SPECTROPHOTOMETRY”. Jurnal Riset Kimia 3, no. 1 (February 11, 2015): 96. Accessed September 22, 2026. https://jrk.fmipa.unand.ac.id/index.php/jrk/article/view/104.