Editorial - sustainable rural sanitation and new investments, APRISABAC : conclusions of a rural water and sanitation experience (1993-2000); by Raul Reyes V., CER-AGUA. SER, Asociacion de servicios educativos...
Editorial - sanitation sector developments. The new sanitation law : towards efficiency, sustainability, equity and financial viability of services; by Lucia Ruiz (PRES). First Saturday in October : inter-american...
Editorial - Sanitation is more than infrastructure. Water for human consumption : control of verification process on the quality of water; by Javier Hernandez C., (DIGESA). Coverage of rural population...