Vargas, Marryjane, et al. “Effects of Extracurricular on Academic Performance of Senior High School Students of Bestlink College of the Philippines: Toward a Guide”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 2, no. 1, Apr. 2020, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2464.