KHAN, Muhammad Imran; KHAN, Siffat Ullah; KHAN, Abdul Wahid; QASIM, Iqbal. Critical Barriers in Project Management Faced by Offshore Software Multi-Sourcing Vendors: A Detailed Study: Multi-sourcing risks . Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, [S. l.], v. 53, n. 3, p. 267–280 , 2021. Disponível em: http://ppaspk.org/index.php/PPAS-A/article/view/285. Acesso em: 4 dec. 2025.