By Royer J.M.   in Contemporary Educational Psychology

ISSN:0361-476X|24|3|169-169

Academic Press‎(1999)‎

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By Royer J.M.   in Contemporary Educational Psychology

ISSN:0361-476X|21|1|1-2

Academic Press‎(1996)‎

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By Royer J.M.   Tronsky L.   Marchant H.   Jackson S.J.   in Contemporary Educational Psychology

ISSN:0361-476X|24|3|286-300

Academic Press‎(1999)‎

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By Royer J.M.   Tronsky L.N.   Chan Y.   Jackson S.J.   Marchant H.   in Contemporary Educational Psychology

ISSN:0361-476X|24|3|181-266

Academic Press‎(1999)‎

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