共 50 条
- [1] CERTIFICATION OF SEWAGE TREATMENT PLANT OPERATORS SEWAGE WORKS JOURNAL, 1946, 18 (02): : 231 - 237
- [2] Manual for Sewage Plant Operators AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1947, 37 (11): : 1485 - 1485
- [3] OPERATING TRAINING AT THE POTTSTOWN-SEWAGE-TREATMENT-PLANT JOURNAL WATER POLLUTION CONTROL FEDERATION, 1960, 32 (03): : 319 - 322
- [4] OPERATOR TRAINING AT THE ERIE-SEWAGE-TREATMENT-PLANT JOURNAL WATER POLLUTION CONTROL FEDERATION, 1960, 32 (05): : 538 - 539
- [5] JOB CLASSIFICATIONS AND SALARY SCALES FOR WATER AND SEWAGE TREATMENT PLANT OPERATORS SEWAGE AND INDUSTRIAL WASTES, 1959, 31 (04): : 479 - 484
- [6] PUBLIC HEALTH SERVICE PROGRAMS OF INTEREST TO SEWAGE TREATMENT PLANT OPERATORS SEWAGE AND INDUSTRIAL WASTES, 1957, 29 (02): : 220 - 226
- [7] TRAINING TREATMENT-PLANT OPERATORS VIA MICROCOMPUTER WATER-ENGINEERING & MANAGEMENT, 1984, 131 (01): : 20 - 21
- [8] LEGAL RESPONSIBILITY OF SEWAGE PLANT OPERATORS JOURNAL WATER POLLUTION CONTROL FEDERATION, 1961, 33 (10): : 1063 - 1069
- [9] TRAINING WATER-TREATMENT PLANT OPERATORS - PROBLEM AND A SOLUTION JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1974, 66 (07): : 428 - 431
- [10] TRAINING PROCEDURES FOR PLANT OPERATORS JOURNAL WATER POLLUTION CONTROL FEDERATION, 1962, 34 (02): : 184 - 188