Modi, P.N. PERT and CPM : Program Evolution and Review Technique and Critical Path Method / P N Modi, Sanjeev Modi and Rajeev Modi - 4th Rev. - Delhi: Standard book house, 2009. - viii, 234 p. ISBN: 9788189401252 Subjects--Topical Terms: ManagementSystem Analysis Dewey Class. No.: 658.4032 / MOD-P