Muhammad Tariq Siddiqui, Muhammad Adnan, and Ambreen Ashfaq. “THE CASH-ON-DELIVERY EFFECT: HOW PAYMENT LOGIC MODERATES IMPULSE BUYING IN E-COMMERCE INTERFACES”. Spectrum of Engineering Sciences, vol. 4, no. 3, Mar. 2026, pp. 4489-96, https://www.thesesjournal.com/index.php/1/article/view/3637.