00358pam a2200145 a 4500 058229696X (pbk.) DLC 510 LON 1987 A028 Or. Friend, D. V. Quantitative methods / London ; New York : Longman, 1987. 248 p. : ill. ; 22 cm. Mathematics EK 12894 12894 0 0 0 510_000000000000000_LON_1987_A028_OR 0 62987 LBA LBA A028 2017-08-18 510 LON 1987 A028 Or. A14460 2017-08-18 2017-08-18 EK