共 50 条
- [1] IMPROVING DRUG QUALITY THROUGH CERTIFICATION EXPERIENCE [J]. AMERICAN JOURNAL OF PHARMACY, 1974, 146 (03): : 86 - 90
- [3] Improving the quality of teaching through National Board Certification theory and practice. [J]. TEACHERS COLLEGE RECORD, 2004, 106 (05): : 1029 - 1031
- [5] CERTIFICATION OF QUALITY ASSURANCE SYSTEMS [J]. CHEMIE INGENIEUR TECHNIK, 1993, 65 (01) : 37 - 40
- [8] Operator Certification: A new em for small water systems [J]. JOURNAL AMERICAN WATER WORKS ASSOCIATION, 2001, 93 (03): : 32 - +
- [9] OPERATOR CERTIFICATION [J]. JOURNAL WATER POLLUTION CONTROL FEDERATION, 1972, 44 (10): : 2058 - +