کتاب‌های David J. Mangen - BookPine

Customers Say What Companies Don't Want to Hear

Customers Say What Companies Don't Want to Hear

Richard A. Lee

Multi-function CRM Software: How good is it?

Multi-function CRM Software: How good is it?

David J. Mangen

Measurement of Intergenerational Relations

Measurement of Intergenerational Relations

David J. Mangen

Health, Program Evaluation, and Demography

Health, Program Evaluation, and Demography

David J. Mangen

Research Instruments in Social Gerontology: Social Roles and Social Participation

Research Instruments in Social Gerontology: Social Roles and Social Participation

David J. Mangen

Clinical and Social Psychology

Clinical and Social Psychology

David J. Mangen

Maximizing Credit Union Fields of Membership

Maximizing Credit Union Fields of Membership

Gregory Tommerdahl

Customer Retention: Maximizing Customer Lifetime Profitability

Customer Retention: Maximizing Customer Lifetime Profitability

Gregory Tommerdahl