- Tokyo Olympics 2020 organisers seeking ways to cut costs of Games delayed by coronavirus pandemic Firstpost
- Olympic Daily News: 15 September 2020 Olympic Channel
- Tokyo 2020 chief rebuffs higher reported Games costs Reuters
- Tokyo 2020 chief expecting IOC approval of 50 to 60 items to simplify Olympics Insidethegames.biz
- Tokyo, IOC dismiss study showing Olympic costs rising WTOP
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