00301nam a2200097Ia 4500008004100000082001900041100001700060245006900077264004700146300001000193200526s9999||||xx |||||||||||||| ||und||  a372.704 4  ROO  aRoohi Fatima 0aTeaching Aids in Mathematics: A Handbook for Elementary Teachers  bKanishka Publishers and Distributorsc2008  a228p.