I. Ratnalela Srg, S. B. Nasution, E. Sofia, and H. F. Pane, “ANALISIS KADAR KALSIUM DAN MAGNESIUM TERHADAP KEJADIAN STUNTING BALITA DI PUSKESMAS TITIPAPAN MEDAN DELI”, JRKPDB, vol. 13, no. 2, pp. 517–524, Oct. 2021.