Oleksandr O. Yashchenko. Strategic Management of a Oil and Gas Company Development in the Context of Integrated Planning Implementation : Доктор філософії : spec.. 073 - Менеджмент : presented. 2026-09-07; popup.evolution: o; Poltava University of Economics and Trade. – Полтава, 0826U003990.

Updated: 2026-10-23