00385cam a2200169ua 45000010005000000080039000050400009000440410008000530820008000611000027000692450049000962500009001452600025001543000010001796530014001896530012002039114150221n        ii  |||gr||||Z||||||eng  cMAIN  aeng  a001  aYadav, S. P.,eAuthor.1 aUGC-NET/JRF/SLET englishcBy Surja Pal Yadav  a1st.  aAgra:bUpkar,c2001.  a244p.  aKnowledge  aUGC NET