00229nam a2200073Ia 4500008004100000100001900041245006500060260003000125170817s9999    xx            000 0 und d  aShrivastav.D.N 0aManovigyan Shiksha Aur Anya Samajik Vigyano Mein Sankayankee  bVinod Pustak Mandir Agara