Johnson, J. (1976). Use of groups in schools: A practical manual for everyone who works in elementary and secondary schools. University Press of America.
Chicago Style (17th ed.) CitationJohnson, Joy. Use of Groups in Schools: A Practical Manual for Everyone Who Works in Elementary and Secondary Schools. Washington: University Press of America, 1976.
ציטוט MLAJohnson, Joy. Use of Groups in Schools: A Practical Manual for Everyone Who Works in Elementary and Secondary Schools. University Press of America, 1976.
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