Planning methods and the human environment /
Gallopin, Gilberto C.
Planning methods and the human environment / Gilberto C. Gallopín. - París : UNESCO, 1981. - 68 p. : fot., lamns. - Socio-economic studies ; 4 .
9231018949
301.161: 577.4 =20 GAL No.4.
Planning methods and the human environment / Gilberto C. Gallopín. - París : UNESCO, 1981. - 68 p. : fot., lamns. - Socio-economic studies ; 4 .
9231018949
301.161: 577.4 =20 GAL No.4.