ERMANSYAH; SOSIADY, M. The Relationship between Strategic Planning, Managerial Competence, and Competitive Advantage on Organizational Performance. Journal Management & Economics Review (JUMPER), [S. l.], v. 3, n. 10. 1, p. 279–296, 2026. DOI: 10.59971/jumper.v3i10. 1.1027. Disponível em: https://malaqbipublisher.com/index.php/JUMPER/article/view/1027. Acesso em: 11 jun. 2026.