Development through science Natural Resources Institute text Kent NRI Ind 24 p. : ill. ; 22 cm. 24 p. : ill. ; 22 cm. NATURAL RESOURCES INSTITUTE SOCIAL WELFARE 361.2.001.6 361.2.001.6NATd INLIS000000000025335 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)