Total data: 3
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The boatowner's guide to GMDSS and marine radio :marine distress and safety communications in the digital age
United States Power Squadrons.;Camden, Me. : : International Marine/McGraw-Hill, , 2006
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Global positioning system: sebuah pengantar untuk metode, sistem dan perancangan sistem
Muis, Saludin;Yogyakarta : Teknosain , 2018