By Robinson D.H.   Skinner C.H.   in Contemporary Educational Psychology

ISSN:0361-476X|21|2|166-180

Academic Press‎(1996)‎

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By Robinson S.L.   Sterling H.E.   Skinner C.H.   Robinson D.H.   in Contemporary Educational Psychology

ISSN:0361-476X|22|2|260-267

Academic Press‎(1997)‎

Access to resources Favorite 8.498384

By Skinner C H   in Canadian Journal of Physics

ISSN:1208-6045|86|1|285-290

NRC Research Press‎(2008)‎

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