Gianne Wayne J. Aguilar, Lizette S. Cruz, Ria Danese G. Cruz, Kim Paula P. Pabustan, Kiara Dennise S. Rementilla, and Penuel P. David. “COVID-19 Tests and Sources of Information: Level of Awareness Among College Students of Centro Escolar University-Malolos, Bulacan, Philippines”. International Journal of Progressive Research in Science and Engineering, vol. 2, no. 7, July 2021, pp. 216-22, https://journal.ijprse.com/index.php/ijprse/article/view/350.