Paenoi*, J., C. Buisset, K. Suwansukho, W. Sirichote, P. Choochalerm, S. Aukkaravittayapun, G. Thummasorn, S. Ngernsujja, A. Inpun, P. Kaewsamoeta, S. Kanthum, A. Leckngam, W. Orchiston, K. Chaniworawit, S. Poshyajinda, and B. Soonthornthum. “The Design and On-sky Results of the Prototype of a Low-Resolution Spectrograph for the Thai National Telescope”. CURRENT APPLIED SCIENCE AND TECHNOLOGY, vol. 20, no. 1, Oct. 2019, pp. 15-29, https://li01.tci-thaijo.org/index.php/cast/article/view/219549.