Srimuang, W., P. Khantikomol, and B. Krittacom. “An Experimental Investigation of Effectiveness of a Closed-End Flat Heat Pipe Heat Exchanger (CEFHPHE)”. Engineering and Applied Science Research, vol. 40, no. 1, May 2013, pp. 21-27, https://ph01.tci-thaijo.org/index.php/easr/article/view/8563.