Isnaeni, Hendri F. (12 November 2019). "创业导师——徐振焕" [Founding mentor—Ciputra]. International Daily News (in Chinese). Archived from the original on 28 November 2019. Retrieved 28 November 2019.
Isnaeni, Hendri F. (12 November 2019). "创业导师——徐振焕" [Founding mentor—Ciputra]. International Daily News (in Chinese). Archived from the original on 28 November 2019. Retrieved 28 November 2019.