User talk:Thamthienthanh

Spamming or promotion
Please stop your disruptive editing. If you continue to add inappropriate external links to Wikiquote, you may be blocked from editing. It is considered spamming and Wikiquote is not a vehicle for advertising or promotion. Because Wikiquote uses nofollow tags, additions of links to Wikiquote will not alter search engine rankings. MathXplore (talk) 08:33, 5 July 2023 (UTC)