Kaewpoung, Sirinapa, Wannee Deoisres, Chanthima Chinsoi, and Chanthima Chinsoi. “Factors Influencing Folic Acid Intakes among Pregnant Women”. Journal of Health and Nursing Research (Journal of Boromarajonani College of Nursing, Bangkok) 37, no. 2 (August 13, 2021): 192–202. accessed April 3, 2025. https://he01.tci-thaijo.org/index.php/bcnbangkok/article/view/242343.