共 50 条
- [26] RESEARCH PROGRAMS FOR LEAFY SPURGE CONTROL IN THE UNITED-STATES AND CANADA [J]. NORTH DAKOTA FARM RESEARCH, 1983, 40 (05): : 27 - 30
- [27] 1983 SURVEY OF DOCTORAL PROGRAMS IN ACCOUNTING IN THE UNITED-STATES AND CANADA [J]. ACCOUNTING REVIEW, 1985, 60 (03): : 519 - 525
- [30] PRIVATE PRACTICE OF NEUROLOGICAL SURGERY IN RURAL SETTINGS IN UNITED-STATES [J]. ACTA NEUROLOGICA SCANDINAVICA, 1970, 46 (4-5): : 633 - &