วรานันตกุล ธ. (2017) “Factors predicting Low Birth Weight Infants in Thungsong Hospital, Nakornsithammarat Province”, Region 11 Medical Journal, 31(3), pp. 523–532. available at: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/171484 (accessed: 20 September 2026).