1.
Yuliyanto A, Turmudi T, Syaodih E, Saputra DR, Dharmawan A, Pertiwi CK. THE VALIDITY AND RELIABILITY OF INSTRUMENTS FOR MEASURING ELEMENTARY SCHOOL STUDENTS’ EARLY MATHEMATICAL ABILITY. Kalamatika J. Pendid. Mat. [Internet]. 2021Nov.30 [cited 2026Mar.13];6(2):127-42. Available from: https://kalamatika.matematika-uhamka.com/index.php/kmk/article/view/475