THE ROLE OF CUSTOMER SERVICE MANAGEMENT IN ENHANCING SUSTAINABLE GROWTH OF SMALL-SCALE COFFEE PROCESSING INDUSTRIES IN MOSHI, TANZANIA. East African Journal of Social and Applied Sciences (EAJ-SAS), [S. l.], v. 7, n. 1, p. 37–46, 2025. DOI: 10.2023/7ey8yv64. Disponível em: https://journals.mocu.ac.tz/index.php/eaj-sas/article/view/262. Acesso em: 23 aug. 2025.