00415nam a2200157Ia 450000500170000000800460001703700120006304000210007504100130009608400210010910000290013024500220015926000430018130000100022465000230023420250508151826.0008  250505s9999    xx            000 0 hin d  aTextual  aFEDL bengcFEDL  ahin2hin  a371.3, MATqFEDL  aMathur Vishwa Nath Shaya 0aShikshan pravidhi  aDelhi, IndiabRajkamal Prakashanc1952  a162p.  aTeacher - Techniqe