Ruttanaporamakul, Pinit, and Waris Buakhaw. “Design and Development of Soil Permeability Testing Apparatus for Use in Laboratory of the Department of Civil Engineering, Navaminda Kasatriyadhiraj Royal Air Force Academy”. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY 17, no. 1 (June 30, 2021): 11–18. Accessed March 29, 2024. https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/243619.