By Beal C.R.   in Contemporary Educational Psychology

ISSN:0361-476X|24|3|171-180

Academic Press‎(1999)‎

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By Bonitatibus G.J.   Beal C.R.   in Journal of Experimental Child Psychology

ISSN:0022-0965|62|1|131-150

Academic Press‎(1996)‎

Access to resources Favorite 12.8265505