Umar, M., A. R. Saleemi, and B. Saha. “LIQUID PHASE SYNTHESIS OF ETHYL TERT-BUTYL ETHER FROM ETHANOL AND TERT-BUTYL ALCOHOL USING MACROPOROUS AND GELULAR ION EXCHANGE RESIN CATALYSTS”. The Nucleus, vol. 46, no. 3, June 2020, pp. 101-7, http://202.83.167.189/index.php/Nucleus/article/view/933.