MADUKA, N. C.; SARKINPAWA, K. H. .; YUSUF, Y. .; OKOYE, F. I. . Microcontroller-Based Security Systems for Restricted Buildings: A Review of Existing Approaches and Research Gaps. International Journal of Science for Global Sustainability, [S. l.], v. 12, n. 3, p. 289–296, 2026. DOI: 10.57233/ijsgs.v12i3.1186. Disponível em: https://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/1186. Acesso em: 20 oct. 2026.