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3/2022 vol. 25
 
 
ORIGINAL PAPER
 

Autonomous constant voltage generator

Polityka Energetyczna – Energy Policy Journal 2022;25(3):35-50
 
ORIGINAL PAPER
 

LED lamps – are they inexpensive and effective?

Polityka Energetyczna – Energy Policy Journal 2022;25(3):133-150
 
eISSN:2720-569X
ISSN:1429-6675
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