Techarungpaisan, P., Shithongtum, A., Buddadee, B., Pumchumpol, S. and Pumchumpol, S. (2017) “Performance improvement of thermosyphon solar water heater: minimizing water flow rate in some risers of the solar collector (Thai)”, Asia-Pacific Journal of Science and Technology, 14(1), pp. 41–54. available at: https://so01.tci-thaijo.org/index.php/APST/article/view/83090 (accessed: 3 September 2026).