APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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