Yazar
r sen gupta
11 cilt bulundu.
R. Sen Gupta · Kenya : UNEP : Oceans and Coastal Areas Programme Activity Centre, United Nations Environment Programme [distributor]
42 sayfa · 1990
Marine pollution / Marine ecology
R. Sen Gupta · Gujarat Ecological Society
150 sayfa · 2000
Coastal ecology / Economic aspects / Economic aspects of Coastal ecology / Economic aspects of Marine ecology / Marine ecology
R. Sen Gupta · Gujarat Ecological Society
82 sayfa · 2003
Coral reef plants / Coral reefs and islands / Underwater photography / Pictorial works
P. R. Sen Gupta · The Survey
101 sayfa · 1982
Calcutta Indian Museum / Catalogs / Geological Survey of India / Meteorites / Indian Museum
Palas R. Sen Gupta · Kanishka Publishers Distributors
167 sayfa · 1993
Economic policy / Government business enterprises / Government policy