Susilawati, 1023031058  (2014) THE BASIC SKILLS ENHANCEMENT OF SOCIAL KNOWLEDGE THROUGH NHT (NUMBERED HEAD TOGETHER) COOPERATIVE LEARNING PROCESS OF THE CLASS IX C EVEN SEMESTER IN SMP NEGERI 10 KOTABUMI NORTH LAMPUNG ACADEMIC YEAR 2012 - 2013 PENINGKATAN KETERAMPILAN DASAR IPS MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE NHT (NUMBERED HEAD TOGETHER) PADA SISWA KELAS IX C SEMESTER GENAP SMP NEGERI 10 KOTABUMI LAMPUNG UTARA TAHUN PELAJARAN 2012-2013.  Masters thesis, Universitas Lampung.