Saha, M., Hossain, M.K., Ashaduzzaman, M., Islam, S.T.A., Galib, M. and Sharif, N. 2009. Alkylation of Phenol with Olefins in the Presence of Sulphuric Acid. Bangladesh Journal of Scientific and Industrial Research. 44, 1 (Jun. 2009), 131–136. DOI:https://doi.org/10.3329/bjsir.v44i1.2722.