Bacio, Jr., S. P., and R. G. Sagge, Jr. “Evaluation of the Developed and Produced Computer Generated Instructional Materials (CGIM) for College Geometry”. International Journal of Multidisciplinary: Applied Business and Education Research, Vol. 3, no. 11, Nov. 2022, pp. 2329-42, doi:10.11594/ijmaber.03.11.19.