00324nam a2200109Ia 4500008004100000082001200041100002100053245008500074250002500159260000900184300002100193190415s9999 xx 000 0 und d aTD.0223 aDeousker, Mahesh 0aKnowledge, attitude and beliefs of secondary school teachers and students of Bun aHarisingh Gour Vishw c1990 a304p. + C D - 68