Lury, D.A. The role of mathematics in economics / D.A. Lury. - Nairobi : Institute for Development Studies, University College o f Nairobi, 1966. - 15 p. ; 33 cm. - Institute for Development Studies. no. 27 . Subjects--Topical Terms: Input-output analysis.--------Mathematical models.--------Economics, Mathematical.-------- Dewey Class. No.: 338.9676