Mogar, Monica, Jazz Niel Lewis Marcelino, Marjorie Mendoza, Richard Deleon Jr., and Crystel-Joy Tamon. 2020. “Improving Hygiene and Sanitation of Sidewalk Vendors for Customer Satisfaction of Grade 12 ABM Students”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 2 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1348.