“Perceived Usefulness, Ease of Use, Transaction Security and Financial Performance of Micro-Retailers in Onitsha Main Market: An Extended Tam Approach” (2026) International Journal of Management, Policy and Administrative Studies (IJMPAS), 1(5), pp. 28–41. Available at: https://ijmpas.com/journal/article/view/81 (Accessed: 30 October 2026).