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The Utilization Of Coconut Shell Waste As The Helmet Coating Materials For Motorcycle Riders
Sulistyo, Bambang, Nugroho, Rio, Prihantoro, RinoVolume:
1273
Journal:
Journal of Physics: Conference Series
DOI:
10.1088/1742-6596/1273/1/012083
Date:
November, 2019
File:
PDF, 749 KB
2019