Sadhukhan S.K. (1986). Economic Geography: An Appraisal of Resources. S. CHAND & COMPANY LTD.
Tohutoru Kātū Chicago (17th ed.)Sadhukhan S.K. Economic Geography: An Appraisal of Resources. INDIA: S. CHAND & COMPANY LTD, 1986.
Tohutoro MLA (9th ed.)Sadhukhan S.K. Economic Geography: An Appraisal of Resources. S. CHAND & COMPANY LTD, 1986.
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