Nurrohmah, Enur, Endang Susilaningsih, and Murbangun Nuswowati. 2018. “Instrument Design Diagnostic Test Three-Tier Multiple Choice Redox Material With Redox Diagnostic Test Software (RDT)”. Journal of Innovative Science Education 7 (2), 190-99. https://doi.org/10.15294/jise.v7i2.24147.