@thesis{thesis,
		author={TIGO  MANDRANALA},
		title ={UPAYA PENCEGAHAN SWAM RIG DAN TUG BOAT KANDAS DI AREA DELTA MAHAKAM OPERASIONAL TOTAL EXPLORATION AND PRODUCTION INDONESIE},
		year={2015},
		url={http://repository.pip-semarang.ac.id/825/},
		abstract={}
		}