Loela Melody Catindoy, Veronica Agustin, Ana Mikaela Alegre, Aberose Bio, Mitzi Marie Manalang, Meryll Raymundo, and Edilberto Manahan. 2021. “The Psychological Impact of Covid-19 Quarantine Among Selected Elderly Residents of Selected Regions in Luzon, Philippines”. International Journal of Progressive Research in Science and Engineering 2 (6):143-53. https://journal.ijprse.com/index.php/ijprse/article/view/313.