Jangjetriew, B., S. Thamtakerngkit, W. Wongchanapai, and S. Sangvichien. “Cranial Suture Closure and Age Determination in the Thai Population”. Siriraj Medical Journal, vol. 59, no. 5, Sept. 2007, pp. 226-31, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246137.