00409cam a2200157ua 4500020002300000041001000023082001600033100002300049245006200072250001100134260005300145300001200198365000800210500002800218504000500246 a81-224-0954-7c135 aengh a515bSHA/NU aShanker Rao , G . aNumerical analysis / cG Shanker Rao.hTextual Documents a / b. aCulcutta : bNew Age International Ltd , c1997. a256 ; . a135 a20307, 20211, 20210 CSS a