Promruksa , M., and S. Muangpin. “Food Security During Pregnancy among Pregnant Adolescents at Udon Thani Hospital”. Journal of Health Science Boromarajonani College of Nursing Sunpasitthiprasong, vol. 5, no. 3, Dec. 2021, pp. 68-80, https://he01.tci-thaijo.org/index.php/bcnsp/article/view/249487.