A. Chubaryan and A. Mesropyan, “Communicative-Semantic Peculiarities of Tautological Constructions in the Present Indefinite Tense”, Arm. Fol. Angl., vol. 11, no. 1 (13), pp. 84–92, Apr. 2015, doi: 10.46991/AFA/2015.11.1.084.