Septriansyah, Alif, M. Imamuddin, Devi Apriyanti, and Martini Dwi Pelitawaty. 2022. “The Students’ Mathematical Problem Solving Skills in Solving HOTS Problems”. Edumatika : Jurnal Riset Pendidikan Matematika 5 (2):134-44. https://doi.org/10.32939/ejrpm.v5i2.1604.