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041 _aEN
082 _a333.79
_bSRI
_223
110 _979548
_aSri Lanka Sustainable Energy Authority
245 _aEnergy management guide- version 1
_b: a project of the ministry of power & energy and Sri Lanka sustainable energy authority
260 _aColombo
_bSri Lanka Sustainable Energy Authority
_c[n.d.]
300 _axiv, 134 p.
509 _aNS
650 _aEnergy consumption
650 0 _aEnergy conservation
_9102237
650 4 _aEnergy auditing
_95844
650 4 _aEnergy resources
_95842
942 _cR