Morris, Lynn Lyons
How to measure achievement
Sage, 1985
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Oskamp, Stuart
Attitudes and opinions
Lawrence Erlbaum , 2005
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Maio, Gregory R.
The psychology of attitudes and attitude change
SAGE Publications, 2019
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Maio, Gregory R.
The psychology of attitudes and attitude change
Sage, 2015
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Erwin, Phil
Attitudes and persuasion
Psychology Press, 2001
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