Pehlivan, A. ., B. . Gerekan, and M. . Kocan. “The Effect of Operating Expenses on Growth and Performance: An Empirical Analysis of the Petroleum and Chemistry Industry in Turkey”. Asian Economic and Financial Review, vol. 10, no. 11, Nov. 2010, pp. 1299-08, doi:10.18488/journal.aefr.2020.1011.1299.1308.