Indonesia : NUR ROHMIATI. 2010. 1606501537. "The Effectiveness of Cooperative Learning toward Students' Writing Achievement of the First Year Students of SMA N 1 Kramat (An Experimental Study at SMA N 1 Kramat, Tegal Regency in Academic Year 2009/2010)". Skripsi. Progran Strata 1, Fakultas Keguruan dan Ilmu Pendidikan Universitas Pancasakti Tegal. Key words : Effectiveness, Cooperative Le…