Ovadiya, Tikva. “A Novice Teacher Researcher’s Action Research Project: Posing Problems to Promote Concepts of Graphs in Calculus”. Action Research and Innovation in Science Education 4, no. 1 (October 1, 2021): 13–23. Accessed May 21, 2022. https://arisejournal.com/index.php/arise/article/view/42.