Ningsih, Gia, and I Gusti Sanjaya. “Determination of Calcium Levels With XRF and Literature Review of Its Bioavailability in Vitro of Dahlia Tubers Syrop (Dahlia Pinnata Cav.)”. Indonesian Journal of Chemical Science 11, no. 2 (July 31, 2022): 145-159. Accessed July 27, 2024. https://journal.unnes.ac.id/sju/ijcs/article/view/55945.