1.
Lefrida R, Siswono TYE, Lukito A. Development of Derivative Understanding Task Instruments to Explore Student Commognition. j. pend. mat. [Internet]. 2024 Oct. 14 [cited 2024 Dec. 3];17(3):343-60. Available from: https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/156