Muhammad Kashif Afzal, Hafiz Shahrukh Zohaib. Realization of Vessel Productivity Enhancement via Comparative Analysis of Liner Services: A case of Qasim International Container Terminal (QICT) DP World, Karachi. PJMR. 2023;5(1):117-146. doi:10.53963/pjmr.2023.007.1