Wiyada Tangtakoolpanish. 2004. The development of supplementary book for prathomsuksa 6th students on community and forest : case study of Samakae forest. Field of Study Environmental Education, Mahidol University;
Wiyada Tangtakoolpanish. (2004) The development of supplementary book for prathomsuksa 6th students on community and forest : case study of Samakae forest . Mahidol University/Bangkok.
Wiyada Tangtakoolpanish. The development of supplementary book for prathomsuksa 6th students on community and forest : case study of Samakae forest. . Bangkok:Mahidol University, 2004.
Wiyada Tangtakoolpanish. (2004) The development of supplementary book for prathomsuksa 6th students on community and forest : case study of Samakae forest . Mahidol University/Bangkok.