[1]
Umar, U., Maulyda, M.A., Erfan, M., Hidayati, V.R. and Widodo, A. 2020. PROFILE OF THINKING GEOMETRY LEVELS OF PGSD STUDENT PROGRAMS BASED ON VAN HIELE THEORY. Integral : Pendidikan Matematika. 11, 1 (Jun. 2020), 33–41.