1. Improvement Measures for One-Company Bidding and One-Company Tendering at the Board of Audit;National Economics Accounting,2009
2. An empirical analysis of entrant and incumbent bidding in road construction auctions;De Silva;Journal of Industrial Economics,2003
3. The effect of information on the bidding and survival of entrants in procurement actions;De Silva;Journal of Public Economics,2009
4. Economic efficiency' and 'competitiveness' in the competitive bidding system;Y Higashihara;Clinical Legal Research (Okayama Gyosei-ho Jitsugyo Kenkyukai),2020
5. Japan Fair Trade Commission General Secretariat;A Horta�su;Report of the Study Group on Initiatives and Promotion of Reforms in Steel Bridge Procurement,2008