[1]
A. Yuliyanto, T. Turmudi, E. Syaodih, D. R. Saputra, A. Dharmawan, and C. K. Pertiwi, “THE VALIDITY AND RELIABILITY OF INSTRUMENTS FOR MEASURING ELEMENTARY SCHOOL STUDENTS’ EARLY MATHEMATICAL ABILITY”, Kalamatika J. Pendid. Mat., vol. 6, no. 2, pp. 127-142, Nov. 2021.