Tohutoro APA (7th ed.)
Heck, R. H. (2004). Studying educational and social policy: Theoretical concepts and research methods. L. Erlbaum Associates.
Tohutoru Kātū Chicago (17th ed.)
Heck, Ronald H. Studying Educational and Social Policy: Theoretical Concepts and Research Methods. Mahwah, N.J.: L. Erlbaum Associates, 2004.
Tohutoro MLA (9th ed.)
Heck, Ronald H. Studying Educational and Social Policy: Theoretical Concepts and Research Methods. L. Erlbaum Associates, 2004.
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