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Preferred-actual learning environment spaces and earth scie..:

Chang, Chun-Yen ; Hsiao, Chien-Hua ; Barufaldi, James P
Science education.  90 (2006)  3 - p. 420-433 , 2006
Exemplar:  Zentrale:E03 z pae 638 j/090; Zentrale:Magazin Zs fe 1901