©2013 National Research Council of Thailand
Saifon Taengsopha. 2002. The development and implementation of a training curriculum for pesticide usage for students of the Suphanburi youth activities project. Field of Study Environmental Education, Mahidol University;
Saifon Taengsopha. (2002) The development and implementation of a training curriculum for pesticide usage for students of the Suphanburi youth activities project . Mahidol University/Bangkok.
Saifon Taengsopha. The development and implementation of a training curriculum for pesticide usage for students of the Suphanburi youth activities project. . Bangkok:Mahidol University, 2002.
Saifon Taengsopha. (2002) The development and implementation of a training curriculum for pesticide usage for students of the Suphanburi youth activities project . Mahidol University/Bangkok.