Sasma Hamonangan Situmorang Department of Regional and Rural Development Planning,
North Sumatra University,
North Sumatra, Indonesia Indonesia
Prof. Dr. Marlon Sihombing, MA Department of Science Administration, Faculty of Political and Social Science
University of Sumatra Utara,
North Sumatra, Indonesia Indonesia
Prof. Dr. H. B. Tarmizi, SU Department of Economic Development, Faculty of Economics and Business
University of Sumatra Utara,
North Sumatra, Indonesia Indonesia