EKO PURNOMO, A.; INDRAWAN, R. D. .; SUHENDI. Business Development Strategy for Mechanical Electrical Plumbing Contractor at PT Vastorindo Djaya Semesta. Eduvest - Journal of Universal Studies, [S. l.], v. 6, n. 5, p. 5502–5513, 2026. DOI: 10.59188/eduvest.v6i5.52710. Disponível em: https://eduvest.greenvest.co.id/index.php/edv/article/view/52710. Acesso em: 11 may. 2026.