SOEHARDJOEPRI. Aplikasi Analisa Multivariate dan Analisa Regresi Linier Berganda pada Proses Pengolahan Air Minum. Limits: Journal of Mathematics and Its Applications, [S. l.], v. 1, n. 2, p. 41, 2004. Disponível em: https://journal.its.ac.id/index.php/limits/article/view/5278. Acesso em: 6 dec. 2025.