Derivation of a Closed Form Expression for Estimating the Reduced Flow Rate for Pressure Driven Rarefied Gas Flow Through Circular Nano/Micro Pores. JAMST [Internet]. 2021 Jul. 7 [cited 2026 Jul. 23];25(2):55-71. Available from: https://amst.utm.my/index.php/amst/article/view/218