M. Umar, 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, pp. 101–107, Jun. 2020.