Pakwan Gajharn,Pakwan Gajhan. 2002. Factors affecting youth conciousness of water resource conservation : a case study of Nakhonratchasima municipality. Field of Study Appropriate Technology for Resource Development, Mahidol University;
Pakwan Gajharn,Pakwan Gajhan. (2002) Factors affecting youth conciousness of water resource conservation : a case study of Nakhonratchasima municipality . Mahidol University/Bangkok.
Pakwan Gajharn,Pakwan Gajhan. Factors affecting youth conciousness of water resource conservation : a case study of Nakhonratchasima municipality. . Bangkok:Mahidol University, 2002.
Pakwan Gajharn,Pakwan Gajhan. (2002) Factors affecting youth conciousness of water resource conservation : a case study of Nakhonratchasima municipality . Mahidol University/Bangkok.