Panggabean, C.I. and Kesuma, I. 2017. LANGUAGE LEARNING STRATEGIES OF HIGH PROFICIENCY STUDENTS IN THEIR ORAL PRESENTATION AT ENGLISH LANGUAGE EDUCATION OF PGRI RONGGOLAWE UNIVERSITY TUBAN. OKARA: Jurnal Bahasa dan Sastra. 11, 2 (Dec. 2017), 205-214. DOI:https://doi.org/10.19105/ojbs.v11i2.1501.