Savchenko Ludmila. Activity of NASU Academic О.М. Onyshchenko in Development of Native Agrarian and Economic Science (second half of XX - beginning of XXI c.) : к.і.н. : spec.. 07.00.07 - Історія науки й техніки : presented. 2014-12-24; popup.evolution: .; National scientific agricultural library NAAN. – , 0414U006142.

Updated: 2026-11-03