Dyfyniad APA

KALLA, P. N. (2007). SUSTAINABLE AGRICULTURE: STATUS AND PROSPECTS.

Dyfyniad Arddull Chicago

KALLA, P N. SUSTAINABLE AGRICULTURE: STATUS AND PROSPECTS. NEW DELHI, AGROTECH, 2007.

Dyfyniad MLA

KALLA, P N. SUSTAINABLE AGRICULTURE: STATUS AND PROSPECTS. 2007.

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