00314nam a2200109Ia 4500008004100000020001800041082001500059100002400074245005600098260004200154300000800196190710s9999    xx            000 0 und d  a81-313-0911-7  a372.354 SY  aSingh, Yogesh Kumar 0aRasayan vigyan : aadhunik shikshan vidhiyan (Hindi)  aDelhibA P H Publishing Corporac2010  a171