Peera Ruangin. 2002. Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation. Field of Study Appropriate Technology for Resource Development, Mahidol University;
Peera Ruangin. (2002) Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation . Mahidol University/Bangkok.
Peera Ruangin. Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation. . Bangkok:Mahidol University, 2002.
Peera Ruangin. (2002) Factor affecting crops selection for farmers in Kalasin province : case study of sugar cane cultivation . Mahidol University/Bangkok.