et. al., L. A. “The Effects of Integrated Technology-Based Approach and Peer Coaching in Teaching Geometry: A Closer Look at Teachers’ TPACK and Students’ Understanding”. 2021. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 3, May 2021, pp. 5695-08, https://turcomat.org/index.php/turkbilmat/article/view/2244.