Butarbutar, Ranta, Angla Florensi Sauhenda, and Marnina. “A Systematic Review of Online Peer Assessment Tools for Learning Evaluation”. Innovare Journal of Education 13, no. 2 (March 1, 2025): 1–7. Accessed December 14, 2025. https://www.journals.innovareacademics.in/index.php/ijoe/article/view/53640.