Pladevall-Ballester, Elisabet, and Alexandra Vraciu. “EFL Child Peer Interaction: Measuring the Effect of Time, Proficiency Pairing and Language of Interaction”. Studies in Second Language Learning and Teaching 10, no. 3 (September 30, 2020): 449–472. Accessed April 26, 2024. https://pressto.amu.edu.pl/index.php/ssllt/article/view/24679.