Block, J. H., & Efthim, H. E. a. B. (1989). Building effective mastery learning schools. Longman.
Chicago-čujuhus (17. p.)Block, James H., juo Helen E. and Burns Efthim. Building Effective Mastery Learning Schools. New York: Longman, 1989.
MLA-čujuhus (9. p.)Block, James H., juo Helen E. and Burns Efthim. Building Effective Mastery Learning Schools. Longman, 1989.
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