When some aspect of a phenomenon or an event varies while another aspect or other aspects remain invariant, the varying aspect will be discerned. In order for this to happen, variation must be experienced by someone as variation, (p. For Each and Everyone: Catering for Individual Differences through Learning ... - Page 19 de Mun Ling Lo, Wing Yan Pong, Pakey Pui Man Chik - 2005 - 188 pages Aperçu limité -
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