Lacerda Queiroz , Edinara, et al. “Enzymatic Treatment of Soft Jackfruit (Artocarpus Heterophyllus) Pulp With Two Commercial Pectinases: Physical Properties and Viscosity Analysis”. Journal of Applied Biotechnology, vol. 9, no. 1, June 2021, pp. pp. 1-18, doi:10.5296/jab.v9i1.17331.