[1]
Ekowati, D.W. and Suwandayani, B.I. 2020. Understanding the concept of Ï€ numbers for elementary school pre-service teachers on circle materials. Jurnal Prima Edukasia. 8, 1 (Mar. 2020), 12–19. DOI:https://doi.org/10.21831/jpe.v8i1.30103.