The effect analysis of mediation variable of task productivity on the self-efficacy and employees’ performance. Journal of Economics, Business, and Accountancy Ventura, [S. l.], v. 19, n. 2, p. 237–248, 2016. DOI: 10.14414/jebav.v19i2.587. Disponível em: http://journal.perbanas.ac.id/index.php/jebav/article/view/587. Acesso em: 18 sep. 2025.