CHARŁAMPOWICZ, J. INTEGRATED PORT ENVIRONMENTAL PROCESS MATURITY MODEL – THEORETICAL FRAMEWORK. Scientific Journal of Gdynia Maritime University, [S. l.], v. 138, p. 17–26, 2026. DOI: 10.26408/138.02. Disponível em: https://sjgmu.umg.edu.pl/index.php/sjgmu/article/view/509. Acesso em: 28 jun. 2026.