Protected areas in the Stara planina tourist region – current state and prospects for tourism development
Vasileva, Vanya, Sabrieva, Sevdzhan
Natural tourist resources in the Stara planina tourist region (Bulgaria)
Kabakchieva, Dora, Vasileva, Vanya
Natural tourist resources in Rhodope tourist region
Vasileva, Vanya, Kabakchieva, Dora, Sabrieva, Sevdzhan, Vladev, Dimitar
Green infrastructure - the smart interpreting of natural capital
Kabakchieva, Dora, Vasileva, Vanya