Dr. Ioannis Patiniotis, Anastasia Kiritsi, PhDc and Dr. Anastasios Fountis 2021. THE MEASUREMENT OF OVERALL OPERATIONAL EFFECTIVENESS AS FACTOR OF COMPETITIVE IN SHIPPING INDUSTRY “Shipscraft”, the way to meet the "Owner’s Order". JournalNX - A Multidisciplinary Peer Reviewed Journal. 7, 10 (Oct. 2021), 255–277. DOI:https://doi.org/10.17605/OSF.IO/NRXG6.