Jayaprakash, M.S., et al. “Viscosity, Miscibility Studies and Mechanical Properties of Pullulan Poly(vinyl Alcohol) Blends at 30 ºC and 40 ºC”. Asian Journal of Chemistry, vol. 32, no. 2, Dec. 2019, pp. 260-4, doi:10.14233/ajchem.2020.22316.