000 00434nam a2200157Ia 4500
008 240930s9999||||xx |||||||||||||| ||und||
020 _a97895502530607
082 _a338.16
_bSAM
100 _aSamarakoon,Nimal
242 _aPaladayithawaya arabamu
245 0 _aඵලදායිතාවය අරඹමු
260 _aLindula
_bWeel power,
_c2014
300 _a185p.;
_c21cm
650 _aProduction efficiency
942 _cLM
999 _c135058
_d135058