https://www.tsukuba.ac.jp/about/disclosure-ho-kisoku/s-03/ https://www.tsukuba.ac.jp/about/bid-contract/#kijun見積競争 • February 22nd, 2022
https://www.tsukuba.ac.jp/about/disclosure-ho-kisoku/s-03/ https://www.tsukuba.ac.jp/about/bid-contract/#kijun見積競争 • June 3rd, 2024