Bi Quyet Lam Giau app for iPhone and iPad 4.7 ( 6587 ratings ) Business Education Developer: Lien dinh 38.99 USD Current version: 2.0, last update: 7 years ago First release : 08 Mar 2015 App size: 8.72 Mb This is some recommend for businessman, help them to have power to overcome pressuser in work.