Kaliky, Syafruddin, Patma Sopamena, Fahruh Juhaevah, Nurlaila Sehuwaky, and Kasliyanto. 2020. “STUDENT ATTENTION IN SOLVING FUNCTION PROBLEMS”. Kalamatika: Jurnal Pendidikan Matematika 5 (1), 35-50. https://doi.org/10.22236/KALAMATIKA.vol5no1.2020pp35-50.