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Chu และผู้แต่งคนอื่นๆ. 1992. Desired family size case study of women who gave birth in 1991 at the institute for protection of mother and newborn in Hanoi, Vietnam. Bangkok:Mahidol University;
Chu และผู้แต่งคนอื่นๆ. (1992) Desired family size case study of women who gave birth in 1991 at the institute for protection of mother and newborn in Hanoi, Vietnam (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Chu และผู้แต่งคนอื่นๆ. Desired family size case study of women who gave birth in 1991 at the institute for protection of mother and newborn in Hanoi, Vietnam. Bangkok:Mahidol University, 1992.
Chu และผู้แต่งคนอื่นๆ. (1992) Desired family size case study of women who gave birth in 1991 at the institute for protection of mother and newborn in Hanoi, Vietnam (รายงานผลงานวิจัย). Mahidol University:Bangkok.