Effects of  Pictorial and Written Advance Organizers on Students’ achievement  in Senior Secondary Physics

Onwioduokit F. A. and Akinbobola, A. O. (2005). Effects of  Pictorial and Written Advance Organizers on Students’ achievement  in Senior Secondary Physics. Journal of STAN, vol. 40, number (1  and 2), 109 – 116.

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