Spasov , Petyo. 2023. “METHOD FOR BUILDING A WORKING GEODETIC NETWORK OF REFLECTIVE MARKS FOR CONSTRUCTION NEEDS: METHOD FOR BUILDING A WORKING GEODETIC NETWORK OF REFLECTIVE MARKS FOR CONSTRUCTION NEEDS”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 22 (1):15-19. https://doi.org/10.46687/jsar.v22i1.333.