Ma’ruf, H., Rofiq, A., & Sundari, S.
(2013).
IMPROVING CLASS VIII A STUDENTS’ SPEAKING ACHIEVEMENT BY GIVING VERBAL AND NON-VERBAL REINFORCEMENT AT SMPN 1 SUKOWONO JEMBER IN THE 2011/2012 ACADEMIC YEAR.
Pancaran Pendidikan, 2(3), 65-76.
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