KOOMSON, Samuel. Psychological contract breach as a stressor in the physician’s job commitment–extra-role behaviour relationship. Journal of Psychological Perspective, Lampung, v. 3, n. 2, p. 67–76, 2021. DOI: 10.47679/jopp.321372021. Disponível em: https://ukinstitute.org/journals/jopp/article/view/3212. Acesso em: 26 jun. 2026.