TY  - BOOK
AU  - Hasan, Arif
TI  - Scaling Up of the Opp's Low Cost Sanitation Programme 
U1  - 353.930549183 
PY  - 1993///
CY  - Karachi : 
PB  - Orangi Pilot Project Research and Training Institute, 
KW  - Low Cost Sanitation Programme
N1  - NN
ER  -