PANGGABEAN, C. I.; KESUMA, I. 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, v. 11, n. 2, p. 205-214, 4 Dec. 2017.