“FABRICATION AND CHARACTERIZATION OF PALLADIUM-DOPED ZINC OXIDE THIN FILMS AND ITS APPLICATION AS EXTENDED-GATE FIELD-EFFECT TRANSISTOR PH SENSOR”. Journal of Engineering and Sustainable Development, vol. 20, no. 1, Jan. 2016, pp. 164-77, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/645.