Reviewer

1. Prof. Dr. Posman Sibuea, MS, Universitas Katolik Santo Thomas Medan, Indonesia
    [Google Scholar], [Scopus : 57205078399]

2. Prof. Dr. Bilter Sirait, MS, Universitas Dharma Agung Medan, Indonesia
    [Google Scholar], [Scopus : 55911361600]

3. Dr. Surya Abadi Sembiring MS, Universitas Katolik Santo Thomas Medan, Indonesia
    [Google Scholar], [Scopus : 57200726572]

4.Sanggam D Rosa Tampubolon,PhD, Universitas Katolik Santo Thomas Medan, Indonesia
    [Google Scholar], [Scopus : 55617129200]

5. Dr. Nurdin Sitohang, MP Universitas Katolik Santo Thomas Medan, Indonesia
    [Google Scholar], [Scopus : 57205076004]