共 50 条
- [1] VOLUNTARY DENTAL LABORATORY CERTIFICATION PROGRAM JOURNAL OF THE AMERICAN DENTAL ASSOCIATION, 1979, 99 (05): : 862 - 864
- [2] SELF-CERTIFICATION IN VOLUNTARY COMPLIANCE PROGRAM JOURNAL OF MILK AND FOOD TECHNOLOGY, 1969, 32 (02): : 60 - &
- [3] SOUTH-DAKOTA VOLUNTARY CERTIFICATION PROGRAM SEWAGE AND INDUSTRIAL WASTES, 1955, 27 (01): : 102 - 103
- [6] Potential conservation benefits of a voluntary corporate certification program Environment, Development and Sustainability, 2020, 22 : 4889 - 4905
- [8] The Informational Role of Voluntary Certification: Evidence from the Mexican Clean Industry Program AMERICAN ECONOMIC REVIEW, 2013, 103 (03): : 303 - 308
- [9] OPERATOR CERTIFICATION .1. VOLUNTARY CERTIFICATION IN WISCONSIN SEWAGE AND INDUSTRIAL WASTES, 1959, 31 (05): : 607 - 608
- [10] Voluntary certification as a way to success Khimicheskoe I Neftegazovoe Mashinostroenie, 2001, (01): : 21 - 22