ANJANI, IRKHAS RATNADIAVITA (2018) A SURVEY OF VOCABULARY SIZE OF STUDENTS IN ENGLISH EDUCATION DEPARTMENT IN MUHAMMADIYAH UNIVERSITY OF PURWOKERTO(A Descriptive Study at Six Grades of Muhammadiyah University of Purwokerto in academic 2014/2015). Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.