Andhre Dominique P. Cruz, Precious Shayne S. Dizon, Paula Mae A. Dychitan, Nicole Aldreiy M. Encina, Alysandra S. Evangelista, Carrie Anne S. Gagpanan, and Felicitas E. Ponciano. 2021. “Crisis of Confidence: Willingness of the Filipinos Within Metro Manila to Undergo COVID-19 Vaccination in 2020-2021”. International Journal of Progressive Research in Science and Engineering 2 (8):493-508. https://journal.ijprse.com/index.php/ijprse/article/view/396.