00330nam a2200109 a 450000500170000000800410001704100080005810000200006624500780008626400450016430000110020920260717091751.0260717s1996    ii            000 0 eng d  aeng1 aAhmed, Tabassum12aA handbook of teachers research in teaching of biology /cAhmed, Tabassum 1aNew Delhi :bA. P. H publication,c1996.  a175 p.