Edited by Sinha, V. N. P. (1980). Recent trends and concepts in geography. Concept.
Chicago-viite (17. p.)Edited by Sinha, Vishwa Nath Prasad. Recent Trends and Concepts in Geography. New Delhi: Concept, 1980.
MLA-viite (9. p.)Edited by Sinha, Vishwa Nath Prasad. Recent Trends and Concepts in Geography. Concept, 1980.
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