Guntur Harry Syahputra; Mesra B; Hernawaty. The Influence of Competence, Work Culture, and Work Infrastructure on Investigation Performance Through the Improvement of Human Resource Quality at the Belawan Harbormaster and Main Port Authority Office. Equivalent 2026, 4 (1), 1286-1307. https://doi.org/10.61994/equivalent.v4i1.1820.