005570a00a22002290004500015000900000016001500009020001800024041000800042080001100050100001600061100001700077245004500094260003500139300001000174306002000184306001800204306002800222306002100250306003000271650001500301852001100316  a3082  a65.011 LEW  a0 08 019600 4  aENG  a65.011  aLewin, A.Y.  aShakun, M.F.  aPolicy sciencesbmethodologies and cases  aPergamon PressbNew Yorkc1935  a490p.  aPolicy sciences  aPolicy making  aSituational normativism  aZoning decisions  aManpower delivery systems  aManagement  aC2-3-4