Sunaryo, author
Program Pascasarjana Universitas Pakuan, 2018
Artikel Jurnal
Artikel Jurnal
Dasmann, Raymond F. (Raymond Fredric), author
John Wiley & Sons, 1972
Buku Teks
Sinaga, Nenni Triana, author
Universitas HKBP Nonmensen, 2017
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Napitupulu, Fenty Debora, author
Universitas HKBP Nonmensen, 2017
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