1.
Indahsari I, Situmorang J, Amelia R. ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS DAN SELF EFFICACY SISWA MAN. joe [Internet]. 28Feb.2019 [cited 20Oct.2019];1(2):256-64. Available from: https://jonedu.org/index.php/joe/article/view/55