Rashadoujjaman Rakib, Md. Akib, Ridoy Mondol and Iftiaj Ahmed Siam 2026. Delivery Uncertainty, Perceived Risk, and Cash-on-Delivery Refusal in Bangladesh. Supply Chain Insider | ISSN: 2617-7420 (Print), 2617-7420 (Online). 21, 1 (Oct. 2026).