1. “Activity of Seaports: Statistics of Losses”. 2022. Ukrinform, May 6 https://www.ukrinform.ua/rubric-presshall/3475958-dialnist-morskih-portiv-statistika-vtrat.html
2. “Agreement on Fisheries in the Sea of Azov, Concluded between the State Fisheries Committee of the Russian Federation and the State Committee on Fisheries and the Fishing Industry of Ukraine.” Signed 14 September 1993. UN Environment Programme. https://leap.unep.org/countries/ru/national-legislation/agreement-fisheries-sea-azov-concluded-between-state-fisheries
3. “Announced Numbers of ‘Neptune’ and ‘Olkha’ Missiles Systems Which Will Be Delivered to Armed Forces of Ukraine (AFU)”. 2021. Inform Napalm, April 05. https://informnapalm.org/en/numbers-of-neptun-and-olkha-missiles-systems/