Shahid, F., Khan, R. A., Anwar, S. and Wajidi, F. A. (2026) “The Impact of Lead-Time Variability on Supply Chain Operations of Retail Stores and Supermarkets in Karachi During the Pandemic Situation”, Siazga Research Journal, 5(1). Available at: https://journals-uoli.com/index.php/SRJ/article/view/165 (Accessed: 18 April 2026).