RISTIA SARI D. COMMUNICATION STRATEGIES USED BY UNIVERSITY LEARNERS IN SPEAKING FOR DISCUSSION CLASS OF ENGLISH DEPARTMENT SURABAYA STATE UNIVERSITY. Retain: J. Res. Engl. Lang. Teach. [Internet]. 2015 Apr. 22 [cited 2026 Jul. 20];3(2). Available from: https://ejournal.unesa.ac.id/index.php/retain/article/view/11282