Kostikova, Ilona, Svitlana Miasoiedova, Tetiana Razumenko, Anastasiia Chernenko, and Olha Pochuieva. 2019. “Teaching English Speaking for FCE: Using Facebook As a Tool of Instructional Practice”. Amazonia Investiga 8 (22), 719-27. https://amazoniainvestiga.info/index.php/amazonia/article/view/825.