00551nam a2200169 a 4500008004100000020002300041100002000064245010700084260004100191300002400232500002200256504004000278650003600318003000100354005001700355040000900372                                          a9780300120066(pbk)1 aGordon, John C.10aPlanning research :ba concise guide for environmental and natural resource sciences/c John C. Gordon  aNew Haven :bYale University,c 2007  avii,102 p. :b10cm.  aIncludes an index  aIncludes bibliographical references 1aEnvironmental sciences research20230123124926.0  cNUST