Roberts, D. L. (1972). Planning urban education: New ideas and techniques to transform learning in the city. Educational Technology Publications.
Citace podle Chicago (17th ed.)Roberts, Dennis L. Planning Urban Education: New Ideas and Techniques to Transform Learning in the City. Englewood Cliffs, N.J.: Educational Technology Publications, 1972.
Citace podle MLA (8th ed.)Roberts, Dennis L. Planning Urban Education: New Ideas and Techniques to Transform Learning in the City. Educational Technology Publications, 1972.
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