Weille, de Jan Present worth calculation of projects : twelve tables / Jan de Weille, Hyung M. Kim - Washingtion, D.C. : IBRD, 1967 - [15 p.] ; 27 cm. - Economics department working paper ; no.2 . - Economics department working paper (IBRD) ; no.2 . Subjects--Topical Terms: Interest--TablesCash flow