Abstract
An Introduction to Abstract Algebra, by Thomas A. Whitelaw. The Blackie Group of Publishers. Glasgow, United Kingdom, March 1978. 176pp.
Managerial Planning: An Optimum and Stochastic Control Approach (two volumes: Vol I: xxi + 240pp. and vol 2: x +241-642 pp.), by Charles S. Tapiero. London and New York: Gordon and Breach, 1977