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" ROLE OF HUMAN RESOURCE MANAGEMENT FUNCTION ( PLANNING, ORGANIZING, ACTUATING, CONTROLLING,) SUPPORT SERVICES FOR VISITORS IN LIBRARY  (STUDY IN NATIONAL LIBRARY UPT BUNG KARNO BLITAR EAST JAVA)" <em>REVITALISASI : Jurnal Ilmu Manajemen</em> [Online], Volume 5 Number 2 (27 February 2019)