na INLIS000000000025335 Ind 0010-1218007173 Development through science NATURAL RESOURCES INSTITUTE Natural Resources Institute Natural Resources Institute Kent NRI 24 p. : ill. ; 22 cm. 24 p. : ill. ; 22 cm. 361.2.001.6NATd 361.2.001.6 SOCIAL WELFARE 333/95-mfn27190