ปราณีตพลกรัง ช. . (2002) “Software Tool Development for Grain Size Measurement According to ASTM E 1382 By Using Image Processing and Analysis”, Journal of Engineering, RMUTT, 1, pp. 9–16. Available at: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242383 (Accessed: 18 May 2024).