Analysis of information sources in references of the Wikipedia article "Café dalgona" in French language version.
« "The trend is credited to actor Jung Il-woo after appearing on the show “Pyunstorang.” He went to Macau where he was served with a handmade drink. Jung said it was delicious and reminded him of dalgona candy. He called it Macau Dalgona coffee." »
« "The drink itself has origins from Rajasthan(India) where it is also known as whipped coffee or beaten coffee" »