วัชโรดม น. Coefficient of performance increase for split-type air conditioners using heat loss recovery. RMUTSB Acad. J. [Internet]. 2018 Dec. 23 [cited 2024 May 7];6(2):134-47. Available from: https://li01.tci-thaijo.org/index.php/rmutsb-sci/article/view/149098