Hayao, Fukui. 1995. Food/ population balance in Changwat Yasothorn /. Kyoto:Kyoto University;
Hayao, Fukui. (1995) Food/ population balance in Changwat Yasothorn / (รายงานผลงานวิจัย). Kyoto University:Kyoto.
Hayao, Fukui. Food/ population balance in Changwat Yasothorn /. Kyoto:Kyoto University, 1995.
Hayao, Fukui. (1995) Food/ population balance in Changwat Yasothorn / (รายงานผลงานวิจัย). Kyoto University:Kyoto.