Mayer, R. E., & Alexander, P. A. (2017). Handbook of research on learning and instruction (2a. ed.). Routledge.
Cita Chicago Style (17a ed.)Mayer, Richard E., y Patricia A. Alexander. Handbook of Research on Learning and Instruction. 2a. ed. Nueva York: Routledge, 2017.
Cita MLA (9a ed.)Mayer, Richard E., y Patricia A. Alexander. Handbook of Research on Learning and Instruction. 2a. ed. Routledge, 2017.
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