Learner DB and FY Phillips (1992). “Contributions to Marketing.” in Phillips F, Y. and JJ Rousseau (eds.) Systems and Management Science by Extremal Methodsboston, Kluwer Academic Publishers: 29.
Learner DB and FY Phillips (1992). “Contributions to Marketing.” in Phillips F, Y. and JJ Rousseau (eds.) Systems and Management Science by Extremal Methodsboston, Kluwer Academic Publishers: 29.