NILAWATI. Peningkatan Memotivasi Minat Siswa SMA dalam Belajar Matematika Melalui Model Problem Solving . Jurnal Kinerja Kependidikan (JKK): Facilities of Educator Career and Educational Scientific Information, [S. l.], v. 4, n. 2, p. 237–343, 2022. Disponível em: https://journalserambi.org/index.php/jkk/article/view/139. Acesso em: 2 dec. 2024.