Nishat, Abu Jakaria, Shanjay Kumar Mukharjee, and Avakova Olga Victorovna. “Status of Service Delivery System of Bangladesh Railway: An Empirical Study”. Advances in Social Sciences Research Journal 8, no. 8 (August 29, 2021): 426–437. Accessed December 7, 2025. https://www.journals.scholarpublishing.org/index.php/ASSRJ/article/view/10650.