Impact of project planning and project risk management on project success: moderating role of project managers’ competencies in the construction sector in Afghanistan. J. Humanit. Soc. Manag. Sci. [Internet]. 2024 Sep. 22 [cited 2026 Apr. 15];5(2):1-20. Available from: https://ideapublishers.org/index.php/jhsms/article/view/1167