Yalamov D, Georgiev P, Garbatov Y. Retrofitting measure of an ageing multi-purpose ship exposed to short-sea LNG operation [Internet]. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA [Internet]. 30Jun.2023 [cited 20Aug.2025];7(1):68-7. Available from: http://194.141.24.9/index.php/ajtuv/article/view/293