Misnasanti, Misnasanti, and Jailani Jailani. 2020. “Meningkatkan Self Efficacy Matematika Siswa Sekolah Menengah Pertama Melalui Model Pembelajaran Kooperatif Tipe NHT”. Mandalika Mathematics and Educations Journal 2 (2):110-21. https://doi.org/10.29303/jm.v2i2.1781.