3-mavzu: O’zgartirgichalar turlari reja: Ўзгартиргичлар турлари

FOYDALANILGAN ADABIYOTLAR:

1. 
   Alternative Energy: Facts, Statistics, and Issues. by Berinstein Paula. Westport, CT: Oryx Press, 2001
   
2. 
   https://vectormine.com/item/cycle-of-biomass-energy-as-direct-combustion-in-power-plant-outline-diagram/
   
3. 
   https://sciencenotes.org/what-is-chemical-energy-definition-and-examples/
   

https://madhavuniversity.edu.in/non-conventional-energy-sources.html