SHAHID, F.; KHAN, R. A.; ANWAR, S.; WAJIDI, F. A. The Impact of Lead-Time Variability on Supply Chain Operations of Retail Stores and Supermarkets in Karachi During the Pandemic Situation. Siazga Research Journal, [S. l.], v. 5, n. 1, 2026. Disponível em: https://journals-uoli.com/index.php/SRJ/article/view/165. Acesso em: 18 apr. 2026.