共 50 条
- [1] CERTIFICATION OF SEWAGE TREATMENT PLANT OPERATORS SEWAGE WORKS JOURNAL, 1946, 18 (02): : 231 - 237
- [2] TRAINING FOR SEWAGE TREATMENT PLANT OPERATORS SEWAGE AND INDUSTRIAL WASTES, 1958, 30 (11): : 1427 - 1431
- [3] LABORATORY SHORT COURSE FOR TREATMENT PLANT OPERATORS JOURNAL WATER POLLUTION CONTROL FEDERATION, 1960, 32 (03): : 328 - 330
- [4] A COOPERATIVE EFFORT TO EDUCATE WASTEWATER TREATMENT PLANT OPERATORS JOURNAL WATER POLLUTION CONTROL FEDERATION, 1963, 35 (11): : 1386 - 1395
- [5] TRAINING TREATMENT-PLANT OPERATORS VIA MICROCOMPUTER WATER-ENGINEERING & MANAGEMENT, 1984, 131 (01): : 20 - 21
- [8] STATE PROGRAMS FOR EXAMINING AND CERTIFYING WASTEWATER TREATMENT PLANT OPERATORS JOURNAL WATER POLLUTION CONTROL FEDERATION, 1968, 40 (01): : 57 - &
- [9] WASTEWATER TREATMENT PLANT OPERATORS ROLE IN WATER POLLUTION INVESTIGATIONS JOURNAL WATER POLLUTION CONTROL FEDERATION, 1967, 39 (3P1): : 392 - +
- [10] TRAINING WATER-TREATMENT PLANT OPERATORS - PROBLEM AND A SOLUTION JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1974, 66 (07): : 428 - 431