National Geographic: Outside U.S.A. Pacific Edition, Subscriber Characteristics. National Geographic, 1251 Avenue of the Americas, New York, N.Y. 10020. 1978. 68p

Artigo Revisado por pares

1980; SAGE Publishing; Volume: 18; Issue: 3 Linguagem: Inglês

10.1177/004728758001800341

ISSN

1552-6763

Tópico(s)

Geographic Information Systems Studies

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