Ilyyana, Kharisma, Emi Pujiastuti, and Wuryanto Wuryanto. “KEEFEKTIFAN MODEL PEMBELAJARAN INVESTIGASI KELOMPOK BERBASIS PENDIDIKAN KARAKTER TERHADAP HASIL BELAJAR”. Unnes Journal of Mathematics Education 2, no. 1 (March 15, 2013). Accessed December 21, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/3324.