00394nam a2200145Ia 4500003000400000005001700004008004100021040000700062041000800069082001500077100001800092245009100110260003800201300000900239OSt20260724155820.0260720s2005    xx            000 0 und d  cAL  aeng  a370.1 AGGT  aAggarwal, J C  aTheory and principles of education : philosophical and sociological bases of education  aNew DelhibVikas Publishingc2005  a463p