Vnesok silʹsʹkohospodarsʹkoï kooperaciï v rozvytok ahrarnoho sektora ekonomiky Ukraïny 20-ch rokiv XX st. istoriohrafija problemy = Vklad selʹskochozjajstvennoj kooperacii v razvitie agrarnogo sektora ėkonomiki Ukrainy 20-ch godov XX v. : istoriografija problemy = The contribution of the agricultural cooperation to the development of the agricultural sector in Ukraine economy of the 1920-s : historiographical problems - Lazurenko, Jurij Mykolajovyč 1984- (2013)