Silavat Attayothin. 1993. Modern technology adoption and profit efficiency of soybean farmers in Thailand. Bangkok:Kasetsart University;
Silavat Attayothin. (1993) Modern technology adoption and profit efficiency of soybean farmers in Thailand (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Silavat Attayothin. Modern technology adoption and profit efficiency of soybean farmers in Thailand. Bangkok:Kasetsart University, 1993.
Silavat Attayothin. (1993) Modern technology adoption and profit efficiency of soybean farmers in Thailand (รายงานผลงานวิจัย). Kasetsart University:Bangkok.