共 50 条
- [41] The Transportation Industries, 1889-1946: A Study of Output, Employment, and Productivity CANADIAN JOURNAL OF ECONOMICS & POLITICAL SCIENCE, 1952, 18 (02): : 245 - 246
- [42] The Transportation Industries, 1889-1946. A study of output, employment and productivity ECONOMIC JOURNAL, 1953, 63 (252): : 892 - 895
- [46] The Transportation Industries, 1889-1946. A Study of Output, Employment and Productivity AMERICAN ECONOMIC REVIEW, 1952, 42 (03): : 464 - 465