PURBA, R. M.; BARIMBING, N. Self-efficacy and Covid-19 preventive behaviors: Self-efficacy dan perilaku pencegahan Covid-19. Psikologia: Jurnal Pemikiran dan Penelitian Psikologi, [S. l.], v. 15, n. 2, p. 68–71, 2021. DOI: 10.32734/psikologia.v15i2.4907. Disponível em: https://talenta.usu.ac.id/jppp/article/view/4907. Acesso em: 14 aug. 2025.