Desmila Fajaria, et al. “Implementation of A Clean and Healthy Lifestyle to Increase Self Endurance for Children Aged 5-6 Years at PG-TK Panca Budi Medan”. International Journal of Society and Law, vol. 3, no. 1, Feb. 2025, pp. 25-33, https://journal.ysmk.or.id/index.php/IJSL/article/view/468.