Vani, M. M., and D. G. Rao. “Effective Diffusivity Coefficients for Degradation of Pectin in Guava (Psidium Guajava L.) Pulps Using Immobilized Pectinase”. Applied Food Biotechnology, vol. 6, no. 2, Mar. 2019, pp. 119-26, doi:10.22037/afb.v6i2.23307.