“Factors That Causes Unproductive and Unengaged Student of Grade 12 ABM in BCP SY 2018-2019”. 2019. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 1 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1465.