Fitri, Raissa, Sondang Purba, and Antonius Wilson Sembiring. “PENETAPAN KADAR KALSIUM SECARA KOLORIMETRI PADATULANG IKAN PATIN (Pangasius Hypophthalmus) DALAM FORMULA PASTA GIGI”. JURNAL TEKNOLOGI KESEHATAN DAN ILMU SOSIAL (TEKESNOS) 2, no. 2 (November 19, 2020): 191–194. Accessed March 10, 2026. https://e-journal.sari-mutiara.ac.id/index.php/tekesnos/article/view/4133.