Rajagukguk, J., W. Chaiphaksa, J. Kaewkhao, R. Hidayat, and F. Fitrilawati. “Photopumped Laser Diode Continuous Wave for Optical Gain Determination of Nd:YVO4 and Nd:YAG Crystal Medium”. Journal of Metals, Materials and Minerals, vol. 29, no. 1, Mar. 2019, https://www.jmmm.material.chula.ac.th/index.php/jmmm/article/view/403.