ACHMAD FANANI YUNIANTO; AGUS PURBO WIDODO; HERI SUDARSONO. Peran Mediasi Customer Satisfaction Pada Pengaruh Service Quality, Dan Social Media Marketing Terhadap Loyalitas Pelanggan Pada PT Mega Prakarsa Engineering Indonesia. OPTIMAL Jurnal Ekonomi dan Manajemen, [S. l.], v. 5, n. 1, p. 432–443, 2025. DOI: 10.55606/optimal.v5i1.6016. Disponível em: https://researchhub.id/index.php/optimal/article/view/6016. Acesso em: 22 jun. 2025.