00287nam a2200109Ia 4500008004100000020001800041082001500059100001600074245003900090260004000129300000800169190710s9999 xx 000 0 und d a81-261-1658-7 a370.1 P152 aPahuja, N P 0aTheory and principles of education aNew DelhibAnmol Publicationsc2003 a285