TRAKOONYINGCHAROEN, Punyisa, Robert John GILKES, and Kumut SANGKHASILA. 2012. “Factors Contributing to the Clay Dispersion and Aggregate Stability of Thai Oxisols”. Walailak Journal of Science and Technology (WJST) 9 (1):19-30. https://wjst.wu.ac.th/index.php/wjst/article/view/204.