Woraphan Puchanyaporn. 2006. Development of empirical modeling for nitrogen dioxide prediction in Thailand. Field of Study Appropriate Technology for Resources and Environmental Development, Mahidol University;
Woraphan Puchanyaporn. (2006) Development of empirical modeling for nitrogen dioxide prediction in Thailand . Mahidol University/Bangkok.
Woraphan Puchanyaporn. Development of empirical modeling for nitrogen dioxide prediction in Thailand. . Bangkok:Mahidol University, 2006.
Woraphan Puchanyaporn. (2006) Development of empirical modeling for nitrogen dioxide prediction in Thailand . Mahidol University/Bangkok.