Peera Ruangin. (2002) Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation. Mahidol University,:ม.ป.ท.Peera Ruangin. 2002. Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation. ม.ป.ท.:Mahidol University,;Peera Ruangin. Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation. ม.ป.ท.:Mahidol University, 2002. Print.