Lury, D. A. Elementary quantitative methods / by D. A. Lury. - Nairobi : East African Pub. House , 1967. - 128 p. : illus. ; 22 cm. - EAPH economic textbooks, 2 . Includes bibliographical references. LCCN: 73-013130 Subjects--Topical Terms: Economics, Mathematical Dewey Class. No.: AF 330.182 LUR