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- [4] New Road Safety Professional Certification Now Available! ITE JOURNAL-INSTITUTE OF TRANSPORTATION ENGINEERS, 2019, 89 (07): : 45 - 49
- [6] ABRASION-CORROSION RESISTANT COATING NOW AVAILABLE FROM UNIROYAL EFFLUENT & WATER TREATMENT JOURNAL, 1979, 19 (11): : 579 - 579