Rachmawati, and Rina Wijayanti. “Efektivitas Math-Cha Terhadap Hasil Belajar Matriks SMKN 2 Malang”. Apotema : Jurnal Program Studi Pendidikan Matematika 8, no. 2 (August 3, 2022): 80–85. Accessed May 17, 2025. https://www.publikasi.stkippgri-bkl.ac.id/index.php/APM/article/view/763.