Kostikova I, Miasoiedova S, Razumenko T, Chernenko A, Pochuieva O. Teaching english speaking for FCE: using facebook as a tool of instructional practice. AmazInv [Internet]. 2019 Sep. 26 [cited 2024 Jul. 3];8(22):719-27. Available from: https://amazoniainvestiga.info/index.php/amazonia/article/view/825