Low-cost technology options for sanitation: a state of the -art review and annotated bibliography / by Witold Rybczynsk-i, Chongrak Polprasert, and Michael McGarry.
Rybczynski, Witold.
Low-cost technology options for sanitation: a state of the -art review and annotated bibliography / by Witold Rybczynsk-i, Chongrak Polprasert, and Michael McGarry. - Washington : World Bank - [186] p. - World bank technical paper. Appropiate technology for water- supply and sanitation; 4 .
Low-cost technology options for sanitation: a state of the -art review and annotated bibliography / by Witold Rybczynsk-i, Chongrak Polprasert, and Michael McGarry. - Washington : World Bank - [186] p. - World bank technical paper. Appropiate technology for water- supply and sanitation; 4 .