ESHIJA SHEHABI. IMPROVING PRODUCT AND SERVICE QUALITY THROUGH EFFECTIVE QUALITY MANAGEMENT SYSTEMS. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies, [S. l.], v. 10, n. 12, p. 59–63, 2022. DOI: 10.58885/ijllis.v10i12.59esh. Disponível em: https://www.anglisticum.org.mk/index.php/IJLLIS/article/view/2489. Acesso em: 17 apr. 2026.