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.
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.