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Jrnal Visi Vol. 22 No. 2
Rolan Siregar
Additional Author
Marhiras Sitanggang
Additional Author
Jadongan Sijabat
Additional Author
Henry Hutabarat
Additional Author
David Berthony Manalu
Additional Author
Hotman Manarung & Rosnawyta Simanjuntak
Additional Author
Marto Silalahi
Additional Author
Asina Cristina Rosito
Additional Author
Albert Tony Manalu
Additional Author
Kartika Dewi
Additional Author
Sutan L.M.H Simanjuntak
Additional Author
Nalom Siagian
Additional Author
mixed material
08530203
Medan
Universitas HKBP Nonmensen
2014