共 50 条
- [23] NADCA & Brillcast promote die casting at National Science Olympiad [J]. DIE CASTING ENGINEER, 1998, 42 (04): : 80 - 80
- [25] International Earth Science Olympiad — 2011: A Report — R. Shankar (National Coordinator, Earth Science Olympiad; Email: rshankar_1@yahoo.com) [J]. Journal of the Geological Society of India, 2011, 78 : 603 - 604
- [29] Analysis of Korea Earth Science Olympiad Items for the Enhancement of Item Quality [J]. JOURNAL OF THE KOREAN EARTH SCIENCE SOCIETY, 2005, 26 (06): : 511 - 523