Nurhikma, N. and Assidiq, F.M. 2024. Analysis of Flow Changes in the SPAR Model (4VP). Zona Laut Jurnal Inovasi Sains Dan Teknologi Kelautan. 5, 1 (Mar. 2024), 37-43. DOI:https://doi.org/10.62012/zl.v5i1.31624.