00353cam a2200169 450000500170000024500360001702000050005310000130005804400160007125000090008704100080009630000180010450000050012283000050012726000340013208200170016620260711133840.0 aHábitat y cambio social IIIb a aFUNDASAL aEl Salvador a1ª aspa a246 p. 21 cm. a v aSan Salvador bFUNDASALc1996 a307.3bF981h