Dr. Hafiz Saeed ur Rehman (2023) “جدید تجارتی شکل "ڈراپ شپنگ" کا تحقیقی مطالعہ: A Research Study of the Modern Business Form ‘Drop Shipping’”, Pakistan Research Journal of Social Sciences, 2(3). Available at: https://prjss.com/index.php/prjss/article/view/71 (Accessed: 25 August 2025).