YALAMOV, Dimitar; GEORGIEV, Petar Georgiev; GARBATOV, Yordan. Retrofitting measure of an ageing multi-purpose ship exposed to short-sea LNG operation. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, [S. l.], v. 7, n. 1, p. 68–87, 2023. DOI: 10.29114/ajtuv.vol7.iss1.293. Disponível em: https://aj.tu-varna.bg/index.php/ajtuv/article/view/293. Acesso em: 2 oct. 2025.