Siregar, Nurdiana. “HUBUNGAN SELF-EFFICACY DENGAN HASIL BELAJAR MATEMATIKA SISWA KELAS RENDAH”. JOURNAL of MATHEMATICS SCIENCE and EDUCATION 1, no. 2 (June 30, 2019): 64-72. Accessed June 21, 2026. https://ojs.stkippgri-lubuklinggau.ac.id/JMSE/article/view/459.