Revida, Erika and Munthe, Hadriana Marhaeni and Siahaan, Asimayanti Silvania S and Purba, Sukarman (2018) THE INFLUENCE OF IMPLEMENTATION OF SAPTA PESONA POLICIES ON THE QUALITY OF COMMUNITY TOURISM SERVICES AT TIGA RAS SIMALUNGUN NORTH SUMATERA. In: UNSPECIFIED.