©2013 National Research Council of Thailand
Sopapan Ngerncham. 2009. Rate of breastfeeding for 4 months and promoting factors : a cohort study of mothers of preterm infants at Siriraj Hospital. Faculty of Medicine, Chulalongkorn University;
Sopapan Ngerncham. (2009) Rate of breastfeeding for 4 months and promoting factors : a cohort study of mothers of preterm infants at Siriraj Hospital . Chulalongkorn University/Bangkok.
Sopapan Ngerncham. Rate of breastfeeding for 4 months and promoting factors : a cohort study of mothers of preterm infants at Siriraj Hospital. . Bangkok:Chulalongkorn University, 2009.
Sopapan Ngerncham. (2009) Rate of breastfeeding for 4 months and promoting factors : a cohort study of mothers of preterm infants at Siriraj Hospital . Chulalongkorn University/Bangkok.