Ruangkajonmathee, N. , Thiamsri, R. , Marungsri, B. (2012). 'Space Charge Distribution in 22 kV XLPE Insulated Cable by Using Pulse Electroacoustic Measurement Technique'. World Academy of Science, Engineering and Technology, Open Science Index 72, International Journal of Electrical and Computer Engineering, 6(12), 1494 - 1497.