Jan, Ahmad Ali, Muhammad Wasif Hanif, and Shakir Hafeez. “Factors Affecting the Acceptance of Mobile Marketing: Role of Ethics and Permission-Based Marketing”. CITY UNIVERSITY RESEARCH JOURNAL 12, no. 1 (March 31, 2022). Accessed April 27, 2024. https://cusitjournals.com/index.php/CURJ/article/view/706.