Kazi Afaq Ahmed & Zainab Sarwar. (2018). Consumer Willingness to Use Digital Coupons: A Case of Karachi Market in Pakistan. Institute of Business Management.
Lua i Stíl Chicago (17ú heag.)Kazi Afaq Ahmed agus Zainab Sarwar. Consumer Willingness to Use Digital Coupons: A Case of Karachi Market in Pakistan. Institute of Business Management, 2018.
Lua MLA (9ú heag.)Kazi Afaq Ahmed agus Zainab Sarwar. Consumer Willingness to Use Digital Coupons: A Case of Karachi Market in Pakistan. Institute of Business Management, 2018.
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