Sarmiento, Celina P., and Maricar S. Prudente. “Preventing Homework Copying through Online Homework in a Math Class”. The Normal Lights 13, no. 1 (June 14, 2019). Accessed December 19, 2024. https://po.pnuresearchportal.org/ejournal/index.php/normallights/article/view/1233.