Romanyuk, M. About concept of sustainable development in agriculture / M. Romanyuk, K. Lichko. — с.11-15. — Электрон. текстовые дан. // Izvestia of Timiryazev - Academy: Scientific-theoretical Journal of the Russian State Agrarian University - Moscow Agricultural Academy named after K.A. Timiryazev. – 2012. – Вып. special issue. — Коллекция: Журнал «Известия ТСХА». — http://elib.timacad.ru/dl/full/02-2012-eng.pdf. - Загл. с титул. экрана. — <URL:http://elib.timacad.ru/dl/full/02-2012-eng.pdf>.
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