
9 Artikel
Editorial Note: Rhodopes Mountains - a fairy tale in green – Part I (Eastern Rhodopes)
Thermodynamic solid-liquid equilibrium model for mixed systems HF-NaF-H2O and HF-KF-H2O up to 2 m HF at T = 25oC
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Potential health benefits of the plant Levisticum officinale (lovage) in relation to its polyphenolic content
Opuntia fragilis (Nutt.) Haw. (Cactaceae) in the Bulgarian flora
Green infrastructure - the smart interpreting of natural capital
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Protected areas in the Stara planina tourist region – current state and prospects for tourism development
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Tourism in Varna Black sea area – current situation and prospects for development
Tourism as a prerequisite for changing the national identity
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