Bickel, R. (2007). Multilevel analysis for applied research: It's just regression! Guilford Press.
Cita Chicago Style (17a ed.)Bickel, Robert. Multilevel Analysis for Applied Research: It's Just Regression! New York: Guilford Press, 2007.
Cita MLA (9a ed.)Bickel, Robert. Multilevel Analysis for Applied Research: It's Just Regression! Guilford Press, 2007.
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