Chutchaporn Hengsiri และ Sathirakorn Pongpanich. (2003) Breastfeeding practices among postpartum mothers in Maharaj Nakhon Si Thammarat Hospital, Muang District, Nakhon Si Thammarat Province. Chulalongkorn University:ม.ป.ท.Chutchaporn Hengsiri และ Sathirakorn Pongpanich. 2003. Breastfeeding practices among postpartum mothers in Maharaj Nakhon Si Thammarat Hospital, Muang District, Nakhon Si Thammarat Province. ม.ป.ท.:Chulalongkorn University;Chutchaporn Hengsiri และ Sathirakorn Pongpanich. Breastfeeding practices among postpartum mothers in Maharaj Nakhon Si Thammarat Hospital, Muang District, Nakhon Si Thammarat Province. ม.ป.ท.:Chulalongkorn University, 2003. Print.