000 00301nam a2200133 4500
005 20251122130332.0
082 _a531.1
_bRAT
100 _aRatnasiri, G.L.
_9809
245 _aDynamics: unit 1/
260 _aNawala:
_bOUSL,
_c2013.
300 _a240p.
650 _aCombined mathematics
_9837
942 _cBK
999 _c5181
_d5181