00312nam a2200109Ia 4500008004100000020001800041082001300059100002300072245005000095260004600145300001100191190710s9999    xx            000 0 und d  a81-203-3847-0  a150 MB:M  aMishra, Brij Kumar 0aManovigyan : manav vyavhar ka adhyyan (Hindi)  aNew DelhibPHI Learning Private Limc2010  axv,803