Sugoniak, Inna I., Andriy M. Kovalchuk, and Anna O. Danylchenko. 2016. “PROFESSIONAL CERTIFICATION AS MEANS OF THE INCREASE OF THE LEVEL OF STUDENTS’ PRACTICAL PREPARATION OF IT-SPECIALITIES”. Information Technologies and Learning Tools 53 (3), 109-22. https://doi.org/10.33407/itlt.v53i3.1424.