Response Surface Regression with LTS and MM-Estimator to Overcome Outliers on Red Roselle Flowers. Jurnal Varian, [S. l.], v. 4, n. 2, p. 91–98, 2021. DOI: 10.30812/varian.v4i2.882. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/882. Acesso em: 1 jul. 2025.