Nguồn ảnh và giấy phép

Một số ảnh trên trang dùng theo giấy phép mở. Cảm ơn các tác giả dưới đây.

Ảnh	Tác giả	Giấy phép	Nguồn
A sleek wooden desk holds a laptop, glassware, and a water carafe beside a bright window.	EVG Kowalievska	Pexels License	Pexels
Ho Chi Minh City Hall's French colonial façade contrasts with modern skyscrapers in the background under a blue sky.	Artem Mesha	CC BY 3.0	Wikimedia Commons
A desktop computer displaying a bar chart presentation sits on a wooden table in a stylish brick-walled office.	Mikael Blomkvist	Pexels License	Pexels
Tourists walk along a street lined with yellow colonial buildings and red lanterns in Hoi An ancient town.	Andre Hospers	CC BY 4.0	Wikimedia Commons
A flower vendor wearing a conical hat and scarf sells lily bouquets by a street in Hanoi's Old Quarter.	Adam Jones from Kelowna, BC, Canada	CC BY-SA 2.0	Wikimedia Commons
Two students sit by Hoan Kiem Lake in Hanoi with the red Huc Bridge visible across the water.	Melindapsy	CC BY-SA 4.0	Wikimedia Commons
Travelers queue at check-in counters beneath a Lotte Duty Free sign inside Da Nang International Airport.	Chainwit.	CC BY 4.0	Wikimedia Commons
A modern office features wood-paneled ceiling, LED lighting, a long desk with monitors, and sleek wall cabinetry.	Macourt Media	Pexels License	Pexels