Wannapakhe, S., and S. Rittidech. 2014. “Mathematical Model of a Closed-Loop Oscillating Heat Pipe With Check Valves”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 1 (2):81-94. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211142.