FIDELIS ODINMA CHETE AND ROOSEVELT ABANDY. Integration of Unstructured Supplementary Service Data (USSD) Into A University’s Portal. NIPES - Journal of Science and Technology Research, [S. l.], v. 4, n. 4, 2022. DOI: 10.5281/zenodo.7391237. Disponível em: https://journals.nipes.org/index.php/njstr/article/view/395. Acesso em: 20 sep. 2024.