Kaikaew E, Khumpad K, Kammesawang W, Supol D, Paikoompan T. Training Kit for the Performance of Optical . RMUTL.Eng.J. [Internet]. 2021 Dec. 8 [cited 2024 Sep. 20];6(2):19-28. Available from: https://ph01.tci-thaijo.org/index.php/RMUTLEngJ/article/view/247024