M.A. Kalabaeva. “Problem-Based Learning - As One of The Innovative Technologies for Teaching Idiomatic Expressions of The English Language to Philology Students”. Vital Annex: International Journal of Novel Research in Advanced Sciences, vol. 2, no. 11, Nov. 2023, pp. 46-48, https://innosci.org/IJNRAS/article/view/1781.