Analisis hubungan antara iklim kerja dan karakreristik individu dengan kinerja perawat pelaksana di ruang rawat inap RSUP H. Adam Malik Medan = The analyze of relationships between work climate and individual characteristics with staff nursing performance inpatient wards of H. Adam Malik Hospital, Medan - Lumbantoruan, Liberta, author (Fakultas Ilmu Keperawatan Universitas Indonesia, 2005)