Praihirunkit, P., P. Khamphikham, and S. Aob-aom. “Quantification of Signal-Joint T-Cell Receptor Excision Circles (sjTRECs) for Age Estimation in the Thai Population”. Science & Technology Asia, Vol. 26, no. 1, Mar. 2021, pp. 170-9, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/213422.