000 00435nam a22001697a 4500
003 BD-DhUET
008 150411b xxu||||| |||| 00| 0 eng d
040 _aDLC
_cDLC
_dBD-DhUET
082 _a514.5
_bAHM/1978
100 _aSurujuddin Ahmed
245 _aModern plane trigonometry
250 _a11th ed.
260 _aDacca
_bMrs. Zebunnessa Ahemed
_c1978
300 _axii,256p.
650 0 _aTrigonometry:Mathematics
942 _cGB
999 _c20422
_d20422