Трякіна, О., Павленко, О., Волкова, Н. and Кассім, Д. (2018) “Usage of E-learning Tools in Self-education of Government Officers Involved in Global Trade Activities”, Pedagogy of Higher and Secondary Education. Kryvyi Rih, Ukraine, 51, pp. 224–234. doi: 10.31812/pedag.v51i0.3669.