Котов, М. В. “Specificity of Interaction of Cooperative and Non-Cooperative Tactics While Communicating in English As Lingua Franca”. The Journal of V.N. Karazin Kharkiv National University. Series: Foreign Philology. Methods of Foreign Language Teaching, no. 89, Aug. 2019, pp. 7-11, doi:10.26565/2227-8877-2019-89-01.