Lahfahroengron, Piyaporn, Ameporn Rathinthorn, Rudee Pungbankadee, and Pattarawalai Talungchit. 2018. “Factors Predicting Low Birth Weight Newborn in Pregnant Women Attending Teenage Pregnancy Clinic”. Nursing Science Journal of Thailand 36 (2):30-41. https://he02.tci-thaijo.org/index.php/ns/article/view/146563.