Sriyakul, K., S. Kietinun, J. Pattaraarchachai, and N. Ruangrungsi. “Comparison Of Quality Of Life Scores In Adolescents With Primary Dysmenorrhea”. Journal of Health Research, vol. 27, no. 1, May 2017, pp. 13-17, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/85742.