共 50 条
- [23] TRANSPORTATION PROFESSIONAL CERTIFICATION BOARD UPDATE [J]. ITE JOURNAL-INSTITUTE OF TRANSPORTATION ENGINEERS, 2013, 83 (12): : 10 - 10
- [24] Forest product certification revisited: An update [J]. JOURNAL OF FORESTRY, 1996, 94 (10) : 16 - 20
- [28] Progress update on ASNT Central Certification [J]. MATERIALS EVALUATION, 1996, 54 (07) : 775 - 775
- [30] Update - Certification status and future plans [J]. ITE JOURNAL-INSTITUTE OF TRANSPORTATION ENGINEERS, 2005, 75 (07): : 46 - 48