Analisis pengaruh disiplin kerja terhadap kinerja karyawan Deputi Bidang Pengkajian dan Penanganan Sengketa dan Konflik Pertanahan Badan Pertanahan Nasional Republik Indonesia = Effect analysis of work discipline in Employee Performance at Deputy of Assessment and Management Dispute and Land Conflict National Land Agency Republic of Indonesia (Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012)