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Divergent inequalities : theory, empirical results and prescritions
Wolfson, Michael C., (1994)
Substitution in telephone surveys : some empirical results
Forsman, Gösta, (1995)
Bagging and boosting classification trees to predict churn
Lemmens, Aurélie, (2003)
A general framework for panel data models with an application to Canadian customer-dialed long distance telephone service
Hsiao, Cheng, (1993)
Point-to-point modelling : an application to Canada-Canada and Canada-United States long distance calling
Appelbe, Trent W., (1988)