Pranot Klamsomboon. 1997. Development of the proper medium for the high planting efficiency in Indica. Bangkok:Kasetsart University;
Pranot Klamsomboon. (1997) Development of the proper medium for the high planting efficiency in Indica (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Pranot Klamsomboon. Development of the proper medium for the high planting efficiency in Indica. Bangkok:Kasetsart University, 1997.
Pranot Klamsomboon. (1997) Development of the proper medium for the high planting efficiency in Indica (รายงานผลงานวิจัย). Kasetsart University:Bangkok.