Luisito L. Cantos, and Gina M. Laksamana. “Level of Preparedness of the Personnel for 7’s Implementation towards ISO Certification of Schools Division of Batangas”. Researchers World - International Refereed Social Sciences Journal, vol. 9, no. 4, Aug. 2021, pp. 98-111, https://researchersworld.com/index.php/rworld/article/view/184.