<https://jayakartanews.com/propotipe-pesawat-supersonic-boom-siap-untuk-test-flight-2018/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://jayakartanews.com/propotipe-pesawat-supersonic-boom-siap-untuk-test-flight-2018/>