WASET
    Chiang-Ho Cheng and  An-Shik Yang and  Hong-Yih Cheng and  Ming-Yu Lai,  Development of Piezoelectric Gas Micro Pumps with the PDMS Check Valve Design.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 103(7). 1268 - 1273
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10001977.