PENGARUH PENDEKATAN APTITUDE TREATMENT INTERACTION (ATI) TERHADAP PEMAHAMAN KONSEP MATEMATIKA SISWA KELAS VIII SMP NEGERI 25 PEKANBARU. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 4, n. 1, p. 79–86, 2015. DOI: 10.33578/. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/1208. Acesso em: 11 feb. 2026.