00297nam a2200109Ia 4500008004100000020001800041082001500059100002000074245003900094260004600133300000800179190710s9999    xx            000 0 und d  a93-5056-355-7  a371.4 P171  aPal, Ompraksh B 0aPrinciples and methods of guidance  aNew DelhibDiscovery Publishing Houc2013  a200