Rachmawati, and Rina Wijayanti. 2022. “Efektivitas Math-Cha Terhadap Hasil Belajar Matriks SMKN 2 Malang”. Apotema : Jurnal Program Studi Pendidikan Matematika 8 (2):80-85. https://doi.org/10.31597/ja.v8i2.763.