Bachev, Hrabrin; Chopeva, Minka; Ivanov, Bodjidar; … - 2019
„управленчески“ (governance) стълб на аграрната устойчивост, наред с общоприетите икономически, социален и екологически стълб … of development of Bulgarian agriculture - "what is sustainability of agriculture", "how to assess sustainability of …-economic and environmental sustainability in the sector". Evolution of the "concept" of agrarian sustainability and the major …