et. al., R. J. . “Perception Profile of Content Knowledge and Technological Pedagogy of Chemistry Teachers and the Quality of Their Implementation in the Development of RPP and Chemistry Learning”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 9, Apr. 2021, pp. 1061-9, https://turcomat.org/index.php/turkbilmat/article/view/3362.