Analysis of information sources in references of the Wikipedia article "สิงคโปร์แอร์ไลน์" in Thai language version.
It is the best selling book in New York every day of the year. The modest maroon cover of the Zagat Survey has now become a familiar sight in 85 of the world's largest cities, incorporating the critical insights of almost 300,000 people.
This airline (a Star Alliance member) is rated No.1 once again.