Bài 1: http://tech.firstpost.com/startup/startup-series-risk-and-your-startup-358743.html Mức độ Trung bình
Bài 2 : https://www.theknot.com/content/working-with-a-wedding-hairstylist Mức độ Khá
Bài 1: http://tech.firstpost.com/startup/startup-series-risk-and-your-startup-358743.html Mức độ Trung bình
Bài 2 : https://www.theknot.com/content/working-with-a-wedding-hairstylist Mức độ Khá