Akarat Sreethunyoo และ Naruemon Yutakorm. (2008) A case study of the development of curriculum to teach matter at the lower elementary level using culturally relevant, inquiry-based approach. Kasetsart University,:ม.ป.ท.Akarat Sreethunyoo และ Naruemon Yutakorm. 2008. A case study of the development of curriculum to teach matter at the lower elementary level using culturally relevant, inquiry-based approach. ม.ป.ท.:Kasetsart University,;Akarat Sreethunyoo และ Naruemon Yutakorm. A case study of the development of curriculum to teach matter at the lower elementary level using culturally relevant, inquiry-based approach. ม.ป.ท.:Kasetsart University, 2008. Print.