NAINGGOLAN, Gustia Louisa; MANURUNG, Sri Lestari; SIREGAR, Dea Athalia; TURNIP, Leonardo. Studi Kesalahan Mahasiswa dalam Menyelesaikan Soal Subring dan Ideal: Perspektif Strategi Polya . Jurnal Pendidikan Tambusai, [S. l.], v. 9, n. 1, p. 9377–9384, 2025. Disponível em: https://jptam.org/index.php/jptam/article/view/26083. Acesso em: 16 jul. 2025.