Sookdee, J., and P. Krutdilaganunt. “Nurses’s Roles in Caring for Teenage Pregnancy With Iron Deficiency Anemia”. NU Journal of Nursing and Health Sciences, vol. 14, no. 2, Aug. 2020, pp. 1-11, https://he01.tci-thaijo.org/index.php/NurseNu/article/view/241779.