Bhattarai, Sujan, and Sandu Subedi. “Determinants of Nepal’s Bilateral Trade in the SAARC Region: A Gravity Model Approach Using PPML Estimator”. Quest Journal of Management and Social Sciences 7, no. 1 (July 30, 2025): 1–20. Accessed December 5, 2025. https://nepjol.info/index.php/qjmss/article/view/82005.