The history of creation and current state of dendroflora of parks which celebrate a jubilee in Poltava region за авторством O. M. Bairak

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Mohamed Belgasem. The Nonviolent Protest in Republic of Poland on the Stage of Democratic Transformation за авторством S. Bairak, M. Belhasem

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Phytodiversity of Polissya: research and conservation experience. Book review; series of environmental monographs by A. V. Lukash, T. L. Andrienko за авторством O. M. Bairak

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Identification and analysis of orographic lineaments of the upland Opillya based on 3d-terrain models за авторством H. R. Bairak

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Sozological assessment of rare plant species of zone ecosystems and river Vorskla basin (Ukraine, Russia) за авторством O. M. Bairak, Ye. Shaparenko

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Results of introduction Ginkgo biloba (Ginkgo biloba L.) in Poltava region за авторством V. M. Samorodov, O. M. Bairak

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The ecological-cenotic differentiation of rare plant species in zonal ecosystems of the Vorskla River basin за авторством O. M. Bairak, Ye. Shaparenko, I. A. Korotchenko

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Features of floristic composition and structure of the landscapein the park "Lytvynivka" (Kharkiv region) за авторством O. M. Bairak, Yu. O. Klymenko, A. V. Hryhorenko

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Monitoring of state of some reserved dendroparks in Western Ukraine за авторством O. M. Bairak, Yu. O. Klymenko, O. O. Ilienko

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