J. J. P. P. . Sy, R. J. C. . Ambay, and J. C. Mercado, “Development, Implementation, and Evaluation of Instructional Learning Package in Teaching-Learning Geometry 7”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 5, no. 3, pp. 939–948, Mar. 2024, doi: 10.11594/ijmaber.05.03.17.