共 50 条
- [21] CATALOGING IN THE INTERNATIONAL ARENA LIBRARY RESOURCES & TECHNICAL SERVICES, 1986, 30 (01): : 23 - 30
- [22] THE ENGINEER IN THE INTERNATIONAL ARENA JOURNAL OF PETROLEUM TECHNOLOGY, 1982, 34 (05): : 973 - 975
- [24] Technological competitiveness in the chemical industry PROCESS SYSTEMS ENGINEERING 2003, PTS A AND B, 2003, 15 : 7 - 11
- [25] Technological upgrading and Portuguese competitiveness CERS 2009 - 3RD CENTRAL EUROPEAN CONFERENCE IN REGIONAL SCIENCE, INTERNATIONAL CONFERENCE PROCEEDINGS - YOUNG SCIENTISTS ARTICLES, 2009, : 668 - 682