Maula, Nikmatul, Rochmad Rochmad, and Edy Soedjoko. “KEEFEKTIFAN PEMBELAJARAN MODEL TAPPS BERBANTUAN WORKSHEET TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATERI LINGKARAN”. Unnes Journal of Mathematics Education 2, no. 1 (March 5, 2013). Accessed April 24, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/3317.