HERRERA, Julia et al. Design of mixture experiments for the analysis of viscosity behavior of sulfonated polyacrylamide solutions (ATBS) with changes in salinity, hardness, and polymer concentration. Dyna rev.fac.nac.minas [online]. 2022, vol.89, n.221, pp.60-67.  Epub Sep 14, 2022. ISSN 0012-7353.