LUBNINA, Elena; KOCHETOV, Yury. VNS Algorithm for the Periodic Pick-Up and Delivery Helicopter Routing Problem in Oil and Gas Offshore. Yugoslav Journal of Operations Research, [S. l.], v. 34, n. 3, p. 407–421, 2024. DOI: 10.2298/YJOR220915040L. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/792. Acesso em: 25 aug. 2025.