English Vocabulary Mastery of Eleventh Grade Students of SMA Negeri 5 Malang - Ika Dani Pujilestari; English Department, Faculty of Letters, State University of Malang. Advisors: (1) Dr. Arwijati Wahyudi, M. Pd., Dipl. TESL., (2) Dra. Nunung Suryati, M. Ed. (2009)