Sugoniak, I. I., Kovalchuk, A. M., & Danylchenko, A. O. (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), 109-122. https://doi.org/10.33407/itlt.v53i3.1424