Allen, W. C., & Lancaster, F. W. (1981). A Directed Independent Study Approach to a Foundations Course.
Cita Chicago Style (17a ed.)Allen, Walter C., y F. Wilfrid Lancaster. A Directed Independent Study Approach to a Foundations Course. 1981.
Cita MLA (9a ed.)Allen, Walter C., y F. Wilfrid Lancaster. A Directed Independent Study Approach to a Foundations Course. 1981.
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