THE EFFECTIVENESS OF COMPUTER ASSISTED LANGUAGE LEARNING (CALL); DUOLINGO APPLICATION TO IMPROVE STUDENTS’ VOCABULARY 
(A Quasi Experimental Research at Second Grade 
of SMPN 2 Kelapa Dua Kab. Tangerang)
A PAPER
Submitted to the English Education Department 
The Faculty of Education and Teacher Training as a Partial Fulfillment of the Requirements for the Sarjana Degree

By:
LAEILY MAULIDA
SRN. 142301659

FACULTY OF EDUCATION AND TEACHER TRAINING
THE STATE ISLAMIC UNIVERSITY 
SULTAN MAULANA HASANUDDIN BANTEN
2018 A.D. / 1440 A.H.