00378nam a2200133Ia 4500008004100000040001700041041001200058082001500070100001800085245009000103250001300193260002700206300001100233230917s9999||||xx |||||||||||||| ||und||  e144525aMAIN  aEnglish  a370.1 A38T  aAggarwal, J C 0aTheory and principles of education: Philosophical and sociological basis of education  a10th ed.  aNew delhibVikasc1985  a440 p.