Teerayuth La-orphanphol. 2004. Creation and pilot-testing of an environmental education curriculum on conservation of endangered biological resources for volunteers. Field of Study Environmental Education, Mahidol University;
Teerayuth La-orphanphol. (2004) Creation and pilot-testing of an environmental education curriculum on conservation of endangered biological resources for volunteers . Mahidol University/Bangkok.
Teerayuth La-orphanphol. Creation and pilot-testing of an environmental education curriculum on conservation of endangered biological resources for volunteers. . Bangkok:Mahidol University, 2004.
Teerayuth La-orphanphol. (2004) Creation and pilot-testing of an environmental education curriculum on conservation of endangered biological resources for volunteers . Mahidol University/Bangkok.