1.
Payadnya IPAA, Prahmana RCI, Lo J-J, Noviyanti PL, Atmaja IMD. Designing area of circle learning trajectory based on “what-if” questions to support students’ higher-order thinking skills. j. math. educ. [Internet]. 2023 Oct. 6 [cited 2025 Jun. 7];14(4):757-80. Available from: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/512