00333nam a2200109Ia 450000500170000008000180001710000170003524501030005226000350015530000150019058300180020520260716043626.0  a14.04.01 L672  aLewin, A. C.  aHousing co-operatives in developing countries : a manual for self-help in low-cost housing schemes  bJohn WileyaChichesterGBc1981  axv, 170 p.  c11/4/05kJOYD