Open Science Research Excellence
C. Worakitjaroenphon and  A. Oonsivilai,  Transfer Function of Piezoelectric Material.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. December 2011, vol. 60(12). 1890 - 1895[viewed 24 April 2019]. Available from: http://waset.org/publications/12139.