Hajar, Hasnan, et al. “Penerapan Gizi Seimbang Pada Balita Di Desa Sisumut Kabupaten Labuhan Batu Selatan”. Jurnal Prima Medika Sains, vol. 1, no. 1, Mar. 2020, pp. 74-79, https://jurnal.unprimdn.ac.id/index.php/jpms/article/view/859.