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.