Fediy Olexandr Anatolijvich. Formation of senior demographic concepts in the process of economic and social geography learning : к.пед.н. : spec.. 13.00.02 - Теорія і методика навчання (з галузей знань) : presented. 2012-04-23; popup.evolution: .; Institute of National Pedagogics at the Academy of Pedagogical Sciences of Ukraine. – , 0413U003160.

Updated: 2026-11-03