Burlachenko Nataliia Vasylivna. Organization of Problem-based Learning in Higher Education Institutions of Ukraine in the Second Half of the XX Century - the Beginning of the XXI Century (According to Pedagogical Periodicals). : Доктор філософії : spec.. 011 - Освітні, педагогічні науки : presented. 2021-12-06; popup.evolution: .; Kharkiv National Pedagogical University named after H.S. Skovorody. – Харків, 0821U102730.

Updated: 2026-10-21