https://omniglot.com/language/articles/learningmandarin.htm
How I Became (And Remain) Fluent in Mandarin Chinese
An article about how Michael Chimienti learnt Mandarin Chinese with tips on how you coud do the same.
fluent in mandarinbecameremainchinese
https://c-vine.com/blog/tag/fluent-in-mandarin/
fluent in Mandarin Archives - C-VINE Network
fluent in mandarinarchivesvinenetwork