MUTHAHHARAH, I.; MAR’AH, Z. STATISTIKA MULTIVARIAT APLIKASI SPSS DAN RSTUDIO. Penerbit Tahta Media, [S. l.], 2024. Disponível em: https://tahtamedia.co.id/index.php/issj/article/view/697. Acesso em: 10 jan. 2025.