Liyanagamage, C., and R. Ranasinghe. “Factors Determining Adoption of Outsourcing Logistics Functions: A Study of Manufacturing and Trading Sectors in Sri Lanka”. Asian Journal of Engineering and Applied Technology 9, no. 2 (August 23, 2020): 36–44. Accessed July 3, 2024. https://ojs.trp.org.in/index.php/ajeat/article/view/1087.