Author N. Kopiks

 
ORIGINAL PAPER
 

The development trends of the fleet of tractors on the farms of Latvia

Journal of Research and Applications in Agricultural Engineering 2008;53(2):48-51
 
ORIGINAL PAPER
 

Analysis of biodiesel fuel and bioethanol production and consumption in Latvia

Journal of Research and Applications in Agricultural Engineering 2014;59(4):111-113
 
ORIGINAL PAPER
 

Development of field crop technologies Latvia

Journal of Research and Applications in Agricultural Engineering 2009;54(3):133-136
 
eISSN:2719-423X
ISSN:1642-686X
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