Бенера, Валентина Єфремівна. 2013. “Trends of Professional Direction Self-Studies Work Development in Academic Process in Higher Educational Establishments in the Context of Reformations in 1920–1930”. Pedagogy of Higher and Secondary Education 38 (May). Kryvyi Rih, Ukraine:301-7. https://doi.org/10.31812/educdim.v38i0.3234.