Maemunah, S. et al. 2021. Shipping Safety in the Singapore Strait Tanjung Pinang, Riau Islands, Indonesia. Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG). 8, 3 (Nov. 2021), 249–260. DOI:https://doi.org/10.54324/j.mtl.v8i3.650.