Kovalchuk Olena Antonivna. Pedagogical conditions of the professional becoming of a future Mathematics teacher in extracurricular educational activity : к.пед.н. : spec.. 13.00.04 - Теорія і методика професійної освіти : presented. 2013-09-17; popup.evolution: .; Zhytomyr State University named after Ivan Franko. – , 0413U005520.

Updated: 2026-11-13