Mkali, Khalifa, Ramadhani Sinde, and Geoffrey Karokola. “IoT-Powered Customer Engagement for Marketing Optimization in Tanzania SMEs”. Journal of Information Systems and Informatics 7, no. 3 (September 30, 2025): 2726-2757. Accessed December 19, 2025. https://journal-isi.org.adsii.or.id/index.php/isi/article/view/1235.