Muhammad Siddique, Muhammad Sibt e Ali , Muhammad Ramzan Sajid , Ali Junaid Khan , Muhammad Saqib Irshad, “Revealed Comparative Advantage and Pakistan’s Global Vegetable Potential in the Presence of Selected Exporters: New Evidence from Markov’s Stability Matrices and Kaplan-Meier’s Survival Function”, HS, vol. 6, no. 2, pp. 77-92, May 2022.