Lal, Deepak Adjustments for trade distortions in project analysis / Deepak Lal - Washington D.C. : IBRD, 1972 - 43 p : ill. ; 27 cm. - Economic staff working paper ; no.128 . - Economic staff working paper (IBRD) ; no.128 . 'March 1972' ISBN: Hadiah Subjects--Topical Terms: International tradeCommercial policy