APA-referens

Sen, R. K. Environmental problems and challenges: Recent issues and opportunities : a festschrift for Professor Raj Kumar Sen.

Chicago-stil citat

Sen, Raj Kumar. Environmental Problems and Challenges: Recent Issues and Opportunities : A Festschrift for Professor Raj Kumar Sen.

MLA-referens

Sen, Raj Kumar. Environmental Problems and Challenges: Recent Issues and Opportunities : A Festschrift for Professor Raj Kumar Sen.

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