Афонин, П., and М. Кривощекова. 2020. “Training of Customs Officials As an Element of the Implementation of Customs Services in the Categorization of Goods to Be Inspected Using Non-Intrusive Inspection Systems”. Bulletin of Innovative Technologies 4 (1 (13), 30-35. https://www.bitjournal.net/index.php/BIT/article/view/144.