00346nam a2200145Ia 4500 Bird /J.O & May A.J.C BK Technicians mathematics Technicians mathematics Longman scientific technical Essex 1982 510.2462 BIR/MA 435 ENGLISH 30764 30764 0 0 0 0 CRC CRCE CRCE 1459 | 10 2023-03-17 Pravina books 85.00 155 dt 9.3.91 0 510.2462 BIR/MA 3170 2023-03-17 85.00 1991-03-09 BK