- Study on revaluation of natural values of the protected area Monument of Nature “Matka Canyon”
- Study on revaluation of natural values of the protected area Strict Natural Reserve “Tikvesh”
- Study on valuation of natural values of the protected area Multi-purpose Area “Jasen“
- Study on valuation of natural values of Belasica Mountain
- Study on revaluation of natural values of the protected area Mavrovo
- Study on valuation with proposal to establish protected landscape Osogovo Mountains
- Feasibility Study on Ezerani
- Valuation of natural values of Shar Planina Mountine and assessment of their market value
- Country study for biodiversity of the republic of Macedonia (firstnationalreport)