Tria Astika Endah Permatasari และ Amir Syafruddin. (2016) Early Initiation of Breastfeeding Related to Exclusive Breastfeeding and Breastfeeding Duration in Rural and Urban Areas in Subang, West Java, Indonesia. <i>Journal of Health Research</i>, <i>30</i>(5), 337.Tria Astika Endah Permatasari และ Amir Syafruddin. "Early Initiation of Breastfeeding Related to Exclusive Breastfeeding and Breastfeeding Duration in Rural and Urban Areas in Subang, West Java, Indonesia". Journal of Health Research 30 (2016):337.Tria Astika Endah Permatasari และ Amir Syafruddin. Early Initiation of Breastfeeding Related to Exclusive Breastfeeding and Breastfeeding Duration in Rural and Urban Areas in Subang, West Java, Indonesia. Chulalongkorn University Press:ม.ป.ท. 2016.