na YOGYA-02090000014522 20090227022426.0 ind 979-518-696-5 010-020900000014522 338.523 338.523 Pur A PURBA, Radiks Analisis biaya dan manfaat = (cost and benefit analysis) Radiks Purba Cet. 1 Jakarta Rineka Cipta 1997 x, 129 hlm ilus 21 cm Biaya penetapan YOPDYOG(B) 25-07-05 1 01P0002380