Neti Herawati, 1223041015 (2014) INCREASING OF WRITING ABILITY THROUGH PROBLEM BASED LEARNING MODEL OF CLASS IX A SMP N 4 METRO ACADEMIC YEAR 2013/2014 PENINGKATAN KEMAMPUAN MENULIS MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA SISWA KELAS IX A SMP NEGERI 4 METRO TAHUN PELAJARAN 2013/2014. Masters thesis, Universitas Lampung.