Halperina Sophiya. Development of theoretical and applied principles of estimating of labor potential of resort region : к.е.н. : spec.. 08.00.05 - Розвиток продуктивних сил і регіональна економіка : presented. 2013-01-18; popup.evolution: .; National Academy of Nature Protection and Resort Construction. – , 0413U001269.

Updated: 2026-11-09