00000cam a22000003a 4500 UP-99796217611796075 Buklod 20150930152821.0 aa r ||| u ta 150930s1983 xx d r |||| u| (iLib)UPD-00249809208 DECON eng TD 353 T33 no.8 van Nostrand, John Rural ventilated improved pit latrine a field manual for Botswana John van Nostran and James G. Wilson. Washington, D.C. IBRD/World Bank c1983 61 p. TAG technical note no.8 Privies Botswana Design and construction Handbooks, manuals, etc. FO UPD DECON TD 353 T33 no.8 Book