Yuliarto, B.; Julia, S.; Wulan S., N. L.; Iqbal, M.; Ramadhani, M. F.; Nugraha, N. The Effect of Tin Addition to ZnO Nanosheet Thin Films for Ethanol and Isopropyl Alcohol Sensor Applications. J. Eng. Technol. Sci. 2015, 47, 76-91.