Jokkaw N, Tongthong T. Measurement of the importance of knowledge areas and competency levels of construction project managers in the Lao PDR. Eng Appl Sci Res [internet]. 2017 Feb. 7 [cited 2026 Aug. 29];44(1):20-6. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/60977