Relationship Marketing among Coconut Sugar Traders, Main Suppliers, and Main Customers . Nusantara Science and Technology Proceedings, Malang, Indonesia, v. 2024, n. 46, p. 42–49, 2025. DOI: 10.11594/nstp.2024.4605. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/1300. Acesso em: 25 apr. 2025.