https://www.jiji.com/sp/p?id=20201108161812-0036097389
https://www-mag2-com.cdn.ampproject.org/v/s/www.mag2.com/p/money/980122/amp?amp_js_v=a6&_gsa=1&usqp=mq331AQFKAGwASA%3D#aoh=16048342934546&referrer=https%3A%2F%2Fwww.google.com&_tf=ソース%3A %251%24s&share=https%3A%2F%2Fwww.mag2.com%2Fp%2Fmoney%2F980122
https://sagi.ibericoblog.com/竹花貴騎mupと豊田商事、類似点「ポンジスキーム/
https://news.yahoo.co.jp/byline/kutsunasatoshi/20201108-00206946/