Yammen, ASST. PROF. DR. Suchart, โชติมล ปฏิวัติ, and ศรีสิงห์ ไกลตา. “The Development of a Spirometer With Pitot Tube Sensors”. Naresuan University Engineering Journal 12, no. 1 (July 11, 2017): 47–54. Accessed February 29, 2024. https://ph01.tci-thaijo.org/index.php/nuej/article/view/63511.