By Jacobs W.J.   Laurance H.E.   Thomas K.G.F.   in Learning and Motivation

ISSN:0023-9690|28|4|521-541

Academic Press‎(1997)‎

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By Jacobs W.J.   Thomas K.G.F.   Laurance H.E.   Nadel L.   in Learning and Motivation

ISSN:0023-9690|29|3|288-308

Academic Press‎(1998)‎

Access to resources Favorite 10.501983