Sancoko CH, Sugiarti R, Suhariadi F. Kebahagiaan pada Relawan Pelacak Kontak COVID-19. J. Psikol. Teori dan Terap. [Internet]. 2021 Jul. 7 [cited 2025 Jun. 9];11(3):326-39. Available from: https://journal.unesa.ac.id/index.php/jptt/article/view/12199