Agustina, D., R. Jannah, and N. Roesdal. “AKTIVITAS FISIK BERPERAN PENTING DALAM KESEGARAN JASMANI MURID SD”. Jurnal Bahana Kesehatan Masyarakat (Bahana of Journal Public Health), Vol. 13, no. 4, July 2016, pp. 215-22, https://journal.poltekkesjambi.ac.id/index.php/JBKM/article/view/117.