Saptono , Bambang, Herwin Herwin, and Firmansyah Firmansyah. “Web-Based Evaluation for Teacher Professional Program: Design and Development Studies”. World Journal on Educational Technology: Current Issues 13, no. 4 (October 31, 2021): 672–683. Accessed November 22, 2024. https://un-pub.eu/ojs/index.php/wjet/article/view/6253.