PARANDHAMA, A.; MADHAVI, C.; RAO, K.; SUBHA, M. PHOSPHOTUNGSTIC ACID LOADED MIXED MATRIX BLEND MEMBRANES OF POLY(VINYL ALCOHOL)/GELLAN GUM FOR PERVAPORATION DEHYDRATION OF ISOPROPANOL. Journal of Advanced Scientific Research, v. 10, n. 03, p. 35-44, 10 ago. 2019.