Hulistiawati, Hulistiawati. “PENINGKATAN HASIL BELAJAR MATEMATIKA DENGAN MODEL PEMBELAJARAN COOPERATIVE LEARNING PADA MATERI PROGRAM LINEAR”. Jurnal Ilmiah Econosains 14, no. 2 (August 30, 2016): 42-48. Accessed May 5, 2024. https://journal.unj.ac.id/unj/index.php/econosains/article/view/689.