Sriphan, Saichon, Naratip Vittayakorn, Mati Horpratum, Sasiporn Prasertpalichat, Theerachai Bongkarn, and Suwit Kiravittaya. 2018. “Investigation of Metal Electrode Effect on Electrical Conductivity of [KNbO3]0.9 – [BaNi0.5Nb0.5O3]0.1 Ceramics by Impedance Spectroscopy”. Thai Journal of Nanoscience and Nanotechnology 3 (2). Bangkok, Thailand:7-16. https://ph05.tci-thaijo.org/index.php/TJNN/article/view/55.