Environmental protection and afforestation : proceedings of Symposium held in Santiniket, India, 4-6 September 1988 /

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ग्रंथसूची विवरण
मुख्य लेखकों: National Seminar on Environmental Protection (with Special Emphasis on Afforestation) (1988 : Santiniketan, India), Ray, Malabika, Mandal, Sudhendu
स्वरूप:
प्रकाशित: New Delhi : Today & Tomorrow's, 1990
विषय: