Nguyen และผู้แต่งคนอื่นๆ. 2002. Utilization of antenatal care service among pregnant women in rural areas, Quangngai province, Vietnam. Field of Study Primary Health Care Management, Mahidol University;
Nguyen และผู้แต่งคนอื่นๆ. (2002) Utilization of antenatal care service among pregnant women in rural areas, Quangngai province, Vietnam . Mahidol University/Bangkok.
Nguyen และผู้แต่งคนอื่นๆ. Utilization of antenatal care service among pregnant women in rural areas, Quangngai province, Vietnam. . Bangkok:Mahidol University, 2002.
Nguyen และผู้แต่งคนอื่นๆ. (2002) Utilization of antenatal care service among pregnant women in rural areas, Quangngai province, Vietnam . Mahidol University/Bangkok.