Singh, H. P. (1979). Resource appraisal and planning in India. Rajesh publications.
シカゴスタイル引用形Singh, Harendra Pal. Resource Appraisal and Planning in India. Delhi: Rajesh publications, 1979.
MLA引用形式Singh, Harendra Pal. Resource Appraisal and Planning in India. Rajesh publications, 1979.
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