ali, huda jabur. “Boron Doped Zinc Oxide for Ethanol and CO Gas Sensing”. Al-Mustansiriyah Journal of Science 29, no. 1 (October 31, 2018): 150–154. Accessed September 29, 2022. https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/55.