Ferdiana, R., 		Sundari, S., & 		Andayani, M.
2013 Nov  1.  THE EFFECT OF USING OUNDTABLE TECHNIQUE IN COOPERATIVE LANGUAGE LEARNING ON TENSES ACHIEVEMENT OF THE EIGHTH YEAR STUDENTS AT SMPN 1 JENGGAWAH IN THE 2012/2013 ACADEMIC YEAR. Pancaran Pendidikan. [Online] 2:4