00936nam a22002297a 4500 20100803104839.0 ENG-97862 9788178311920 800.00 EN-81395 DBAD/PUB 338.52 Mathur,P N 4732 Layers of techniques : implications of the co existence of different technologies for general economies and industrial firms / by P N Mathur New Delhi Manak publications 2009 B-7, Saraswati Complex Subhash Chowk Laxmi Nagar New Delhi 110092 xxiii,226p 24cm (Hb) includes index Prices mathematical models 4733 Technologicalj innovation economic aspects 4734 ddc EN 338.52 MAT 38848 38848 0 0 0 1 NFIC DBAD DBAD 2010-08-03 DBAD/PUB 800.00 0 338.52 MAT EN-81395 2010-08-03 00:00:00 1 800.00 2010-08-03 EN