Environmental protection and afforestation : national seminar on environmental protection(with special emphasis on afforestation) : proceedings of symposium held in Santiniketan,India,4-6September 1988 /
Malabika Ray, Sudhendu Mandal.
- New Delhi : Today and Tomorrows Printers and Publishers , 1990.
- 306p. : Ills. ; 25cm. .
- Recent researches in ecology, environment and pollution no;4, ; .
- Recent researches in ecology, environment and pollution no;4, ; .