Kozyreva, V.P. and Myniuk, O.Y. 2019. ECONOMIC CONTRACTS: NOTIONS, SIGNS AND CONDITIONS OF CONCLUSION. Scientific works of National Aviation University. Series: Law Journal "Air and Space Law". 3, 52 (Sep. 2019), 138–144. DOI:https://doi.org/10.18372/2307-9061.52.13964.