McKillip, J. (1987). Need analysis: Tools for the human services and education. Sage Publications.
Citace podle Chicago (17th ed.)McKillip, Jack. Need Analysis: Tools for the Human Services and Education. Newbury Park, Calif: Sage Publications, 1987.
Citace podle MLA (9th ed.)McKillip, Jack. Need Analysis: Tools for the Human Services and Education. Sage Publications, 1987.
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