©2013 National Research Council of Thailand
Wanpen Wiriyakitnateekul. 2005. The properties of clays in red and yellow soils of Thailand. Field of Study Soil Science, Kasetsart University;
Wanpen Wiriyakitnateekul. (2005) The properties of clays in red and yellow soils of Thailand . Kasetsart University/Bangkok.
Wanpen Wiriyakitnateekul. The properties of clays in red and yellow soils of Thailand. . Bangkok:Kasetsart University, 2005.
Wanpen Wiriyakitnateekul. (2005) The properties of clays in red and yellow soils of Thailand . Kasetsart University/Bangkok.