Reformuvannja zahalʹnoï serednʹoï osvity v Ukraïni u XX stolitti krizʹ pryzmu džereloznavstva naukovo-dopomižnyj bibliohrafičnyj pokažčyk = Secondary education reform in Ukraine in the 20th century: through the prism of source study : scientific auxiliary bibliographic index - Berezivsʹka, Larysa Dmytrivna ca. 20./21. Jh ([Verlag nicht ermittelbar], 2019)