TY - BOOK AU - Tschannerl,Gerhard TI - Impact of rural water supply: : eight self-help schemes in Arumeru, Masai and Lushoto districts: research paper No.37 T2 - Paper; 37 AV - EAF QTO H31.E32 No.37 PY - 1974/// CY - Dar es Salaam PB - : University of Dar es Salaam KW - Water supply engineering KW - Water supply schemes KW - Cost KW - Arumeru district KW - Lushoto district ER -