1. Marketing research: Onion market for 2014–2018 (OGAU “Innovation and Consulting Center of the Agroindustrial Complex”, Belgorod, 2019), http://ikc.belapk.ru.
2. Marketing research: Garlic market for 2013–2017 (OGAU “Innovation and Consulting Center of the Agroindustrial Complex of the Belgorod Region”, Belgorod, 2018), http://www.belferma.ru.
3. Irradiation of bulbs and tuber crops — A compilation of technical data for its authorization and control. IAEA-TECDOC-937 (International Atomic Energy Agency, Vienna (Austria), 1997), p. 12.
4. TR TS 021/2011 On food safety: Technical Regulations of Customs Union (9 December 2011).
5. Intergovernmental standard. Fresh onions. Technical specifications. GOST 34306-2017 (StandardInform, M., 2018), pp. 21.