Valentina, Victoria, Nurheni Sri Palupi, and Nuri Andarwulan. “ASUPAN KALSIUM DAN VITAMIN D PADA ANAK INDONESIA USIA 2 – 12 TAHUN [Calcium and Vitamin D Intake of Indonesian Children 2-12 Years Old]”. Jurnal Teknologi dan Industri Pangan 25, no. 1 (August 22, 2014): 83. Accessed December 5, 2021. https://journal.ipb.ac.id/index.php/jtip/article/view/8307.