Learner perceptions on instructional design of multimedia in learning abstract concepts in science at a distance

Author: Kulasekara Geetha Udayangani   Jayatilleke Buddhini Gayathri   Coomaraswamy Uma  

Publisher: Routledge Ltd

ISSN: 1469-9958

Source: Open Learning, Vol.26, Iss.2, 2011-06, pp. : 113-126

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Abstract