Peer Reviewers

1. Zainal Arifin Hasibuan, Universitas Indonesia, Jakarta, Indonesia, Scopus ID : 57203922071; Sinta ID : 6655639; Google scholar ID: tpzw4SgAAAAJ

2. Herman Mawengkang, Universitas Sumatera Utara, Medan, Sumatera Utara, Indonesia, Scopus ID : 36465425100; Sinta ID : 6132473;Google Scholar ID : HIQ7j4MAAAAJ

3. Muhammad Zarlis, Universitas Sumatera Utara, Medan, Sumatera Utara, Indonesia, Scopus ID: 46662076100; Sinta ID : 260385; Google scholar ID : tM4ZkqwAAAAJ

4. Syahril Efendi, Universitas Sumatera Utara, Medan, Sumatera Utara, Indonesia, Scopus ID : 57193792516; Sinta ID : 6008707; Google Scholar ID : H_ic5f4AAAAJ

5. Sriadhi, Universitas Negeri Medan, Medan, Sumatera utara, Indonesia, Scopus ID : 57202300419; Sinta ID: 6676173; Google scholar ID : NV1DwBkAAAAJ

6. Sajadin Sembiring, Universitas Sumatera Utara, Medan, Sumatera Utara, Indonesia, Scopus ID : 57200087723; Sinta ID : 259847, Google scholar ID : PX-FLtkAAAAJ

7. Zakarias Situmorang, Universitas Katolik Santo Thomas, Medan, Sumatera Utara, Indonesia, Scopus ID : 37049175300; Sinta ID: 259482; Google scholar ID : QzrZjOsAAAAJ