Frans Judea Samosir Universitas Prima Indonesia Google Scholar SINTA Scopus ID

Widya Yanti Sihotang Universitas Prima Indonesia Google Scholar SINTA Scopus ID

Putri Yunita Pane Universitas Prima Indonesia Google Scholar SINTA 

Eva Ellya Sibagariang Universitas Prima Indonesia Google Scholar SINTA

Herbert Wau Universitas Prima Indonesia Google Scholar SINTA 

Marlinang Isabella Silalahi Universitas Prima Indonesia Google Scholar SINTA

Elvi Sahara Lubis Universitas Prima Indonesia Google Scholar SINTA