MAHFUROH, M.; EMZIR, E.; FAHRURROZI, F. DEVELOPING THE SKILLS OF WRITING GERMAN PARAGRAPH THROUGH THE MODEL OF COOPERATIVE LEARNING WITH JIGSAW TEHNIQUE (Action Research in MAN 2 Kota Serang ). Bahtera: Jurnal Pendidikan Bahasa dan Sastra, v. 17, n. 1, p. 30-54, 31 Jan. 2018.