Sarinya Panichiep. 2003. The development of cartoon book on "the healthy cities" for grade six students. Field of Study Environmental Education, Mahidol University;

Sarinya Panichiep. The development of cartoon book on "the healthy cities" for grade six students. . Bangkok:Mahidol University, 2003.

Sarinya Panichiep. (2003) The development of cartoon book on "the healthy cities" for grade six students . Mahidol University/Bangkok.