Tettey, B. A. ., M. . Acquah, and R. Jecty. “Using Interactive Charts in a Demonstration Lesson to Help Learners of Colleges of Education Teach Measurement of Angle Properties of Parallel Lines in Basic Schools”. International Journal of Computer (IJC), vol. 37, no. 1, Mar. 2020, pp. 46-66, https://ijcjournal.org/index.php/InternationalJournalOfComputer/article/view/1537.