[Tasks before Bulgarian biology in light of the decisions of the 12th Congress of the Bulgarian Communist Party].
D001695:Biology / Q000639:trends*; D002031:Bulgaria; D003148:Communism; D012106:Research; D014730:Veterinary Medicine / Q000639:trends
Zadachite pred bŭlgarskata biologichna nauka v svetlinata na resheniiata na XII kongress na BKP.