000 00299cam a22000977a 4500
008 180718b1977 xxu||||| |||| 00| 0 eng d
082 _aT000x669 V17
245 _aIntegration of socio - economic and environtal planning
_cBy L.R. Vagale et al
260 _aNigeria
_bUnited Nations
_c1977
300 _a37p.
999 _c412551
_d412551