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Population Resources Environment Issues in Human Ecology by Ehrlich, Paul R | Ehrlich, Anne H. Material type:  Text; Format:
print
; Literary form:
Not fiction
Publication details: San Francisco W.H. Freeman and Company 1970Availability: Items available for loan: Dr. Rajendra Prasad Central Agricultural University Pusa, (1) Call number: 301.3 E42P.
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Human Ecology Problems and Solutions by Ehrlich, Paul R | Ehrlich, Anne H | Holdren, John P. Material type: Text; Format:
print
; Literary form:
Not fiction
Publication details: San Francisco W. H. Freeman and Company 1973Availability: Items available for loan: Dr. Rajendra Prasad Central Agricultural University Pusa, (1) Call number: 301.31 E42H.
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Ecoscience Population, Resources, Environment by Ehrlich, Paul R | Ehrlich, Anne H | Holdren, John P. Material type: Text; Format:
print
; Literary form:
Not fiction
Publication details: San Francisco W. H. Freeman and Company 1977Availability: Items available for loan: Dr. Rajendra Prasad Central Agricultural University Pusa, (1) Call number: 301.32 E42E.
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