Harris, Teuku. “FRONT MATTER SEL JURNAL PENELITIAN KESEHATAN VOLUME 8 NOMOR 1, JULI 2021”. Sel Jurnal Penelitian Kesehatan 8, no. 1 (September 23, 2021). Accessed April 27, 2024. http://ejournal2.litbang.kemkes.go.id/index.php/sel/article/view/5409.