https://jv.wiktionary.org/wiki/sungsang_buwana_balik
sungsang buwana balik - Wikisastra
balik
https://bk-internasional.com/
PT. BUWANA KREASI INTERNASIONAL
Marine, Engineering, Offshore, Buoy, Jetty, Crossover, Decommissioning, Contractor.
ptkreasiinternasional