TY  - BOOK
AU  - Rybczynski, Witold.
AU  - Polprasert, Chongrak, coaut.McGarry, Michael, coaut.
TI  - Low-cost technology options for sanitation: a state of the -art review and annotated bibliography / by Witold Rybczynsk-i, Chongrak Polprasert, and Michael McGarry
CY  - Washington : World Bank
ER  -