A. S. SOOMRO, S. JAMALI, and M. M. SHAIKH. “On Non-Optimality of Direct Exponential Approach Method for Solution of Transportation Problems”. Sindh University Research Journal - SURJ (Science Series) 49, no. 1 (February 2, 2021). Accessed May 4, 2024. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/3115.