00285nam a2200109Ia 4500008004000000020001800040082001700058100002000075245002200095260004500117300001300162210210b1991   xxu||||| |||| 00| 0 eng d  a81 7018 668 4  a371.102 BOUD  aBOURAI (H H A).  aDynamic teaching.  aDelhi.bB R Publishing Corporationc1991  axxiv,267