Nipattra Wanotayaroj. 1997. Factors affecting fertility in the south of Thailand. Faculty of Graduate Studies, Mahidol University;
Nipattra Wanotayaroj. (1997) Factors affecting fertility in the south of Thailand . Mahidol University/Bangkok.
Nipattra Wanotayaroj. Factors affecting fertility in the south of Thailand. . Bangkok:Mahidol University, 1997.
Nipattra Wanotayaroj. (1997) Factors affecting fertility in the south of Thailand . Mahidol University/Bangkok.