00490nam a2200109Ia 450000500170000000800410001705000230005810000270008124501940010826000450030265000330034720251229175552.0251229s9999    xx            000 0 und d  aLB 1027.4 .K46C43   aChabari, Kallen Kanini 0aEffects of graphic organizers experiential teaching approach on secondary school students' achievement and self concept in chemistry in Nakuru North sub-county, KenyacKallen Kanini Chabari  aEgerton b Egerton University Press 2018  aTeaching -- Aids And Devices