Saputra, M.F., Setiawan, B. and Rini, S. 2026. Logbook Quality Analysis at PT. Pertamina Patra Niaga Ships Using Sus and Webqual 4.0 Methods. Jurnal Sosial Teknologi. 6, 5 (May 2026), 1675–1687. DOI:https://doi.org/10.59188/jurnalsostech.v6i5.32809.