Vol. 9 No. 1 (2021): JCEGI

Cikk szövege

• THE STATE OF MIGRATORY FISH SPECIES IN OUR WATERS

  Béla HERCZEG, Beatrix SZABÓ-BÉRES

  3-12

  • PDF

• OUTLOOK OF SUSTAINABLE LIQUID BIOFUELS PRODUCTION

  Judit OLÁH, Edina ERDEI, József POPP

  13-29

  • PDF (Hungarian)