@article{article_641773, title={ANALYSIS AND EVALUATION OF EFFECTIVENESS OF THE USE OF UNMANNED AIRCRAFTS FOR ENVIRONMENT MONITORING}, journal={IJASOS- International E-journal of Advances in Social Sciences}, volume={5}, pages={1293–1299}, year={2020}, DOI={10.18769/ijasos.592094}, url={https://izlik.org/JA68BK55YK}, author={Terziev, Venelin and Petrova, Teodora}, keywords={unmanned aircrafts,economic effectiveness,monitoring,air-photo images}, abstract={<p class="MsoNormal" style="margin-top:6pt;margin-right:0cm;margin-bottom:6pt;margin-left:0cm;"> <span lang="en-us" style="font-family:Arial, ’sans-serif’;" xml:lang="en-us">The present article reviews the problems of economic effectiveness of air photography by unmanned aircrafts equipped with photographic systems of low class </span> <span lang="bg" style="font-family:Arial, ’sans-serif’;" xml:lang="bg">. </span> <span lang="en-us" style="font-family:Arial, ’sans-serif’;" xml:lang="en-us">The structure and effectiveness of work is shown </span> <span lang="en-us" style="font-family:Arial, ’sans-serif’;" xml:lang="en-us">. </span> </p>}, number={15}