共 50 条
- [1] OPERATIONS-RESEARCH IN SCHISTOSOMIASIS CONTROL - REPORT OF WORKING GROUP-VI TROPICAL MEDICINE AND PARASITOLOGY, 1989, 40 (02): : 245 - 245
- [3] QUALITY-CONTROL AND OPERATIONS-RESEARCH BULLETIN OF THE INTERNATIONAL STATISTICAL INSTITUTE, 1957, 35 (02): : 355 - 364