Haughongtong , T., T. Yothatool, and S. . Promsorn. “The Applies of Multiple Activity Chart to Improve Productivity Case Study: Housing Development Construction Project”. Rattanakosin Journal of Science and Technology, vol. 1, no. 3, Dec. 2019, pp. 33-44, https://ph02.tci-thaijo.org/index.php/RJST/article/view/243378.