SJARIFUDIN, D.; TRI WIDYASTUTI; ISTIANINGSIH; SUGENG SUROSO. The Effect of Self-Efficacy, Competence, Work Discipline, Employee Engagement on Work Performance and Work Motivation: Empirical Study on Umrah Travel Agency. Formosa Journal of Sustainable Research, [S. l.], v. 2, n. 12, p. 2827–2844, 2023. DOI: 10.55927/fjsr.v2i12.6963. Disponível em: https://journal.formosapublisher.org/index.php/fjsr/article/view/6963. Acesso em: 16 may. 2026.