diff --git a/Usecase diagram/Basic user-specific Use Case Diagram.png b/Usecase diagram/Basic user-specific Use Case Diagram.png new file mode 100644 index 0000000..1f4b220 Binary files /dev/null and b/Usecase diagram/Basic user-specific Use Case Diagram.png differ diff --git a/Usecase diagram/Basic user-specific Use Case Diagram.vpd b/Usecase diagram/Basic user-specific Use Case Diagram.vpd new file mode 100644 index 0000000..57b57eb Binary files /dev/null and b/Usecase diagram/Basic user-specific Use Case Diagram.vpd differ diff --git a/Usecase diagram/Use Case Coffee Shop.png b/Usecase diagram/Use Case Coffee Shop.png new file mode 100644 index 0000000..16f78ef Binary files /dev/null and b/Usecase diagram/Use Case Coffee Shop.png differ diff --git a/Usecase diagram/Use Case Coffee Shop.vpd b/Usecase diagram/Use Case Coffee Shop.vpd new file mode 100644 index 0000000..89fa3b0 Binary files /dev/null and b/Usecase diagram/Use Case Coffee Shop.vpd differ diff --git a/Usecase diagram/Use Case Diagram for Customers.png b/Usecase diagram/Use Case Diagram for Customers.png new file mode 100644 index 0000000..09eaa15 Binary files /dev/null and b/Usecase diagram/Use Case Diagram for Customers.png differ diff --git a/Usecase diagram/Use Case Diagram for Customers.vpd b/Usecase diagram/Use Case Diagram for Customers.vpd new file mode 100644 index 0000000..4f2550f Binary files /dev/null and b/Usecase diagram/Use Case Diagram for Customers.vpd differ diff --git a/Usecase diagram/Use Case Diagram for Employees.png b/Usecase diagram/Use Case Diagram for Employees.png new file mode 100644 index 0000000..242b1c0 Binary files /dev/null and b/Usecase diagram/Use Case Diagram for Employees.png differ diff --git a/Usecase diagram/Use Case Diagram for Employees.vpd b/Usecase diagram/Use Case Diagram for Employees.vpd new file mode 100644 index 0000000..5da3982 Binary files /dev/null and b/Usecase diagram/Use Case Diagram for Employees.vpd differ diff --git a/Usecase diagram/Use Case Diagram for Manager.png b/Usecase diagram/Use Case Diagram for Manager.png new file mode 100644 index 0000000..ab7b896 Binary files /dev/null and b/Usecase diagram/Use Case Diagram for Manager.png differ diff --git a/Usecase diagram/Use Case Diagram for Manager.vpd b/Usecase diagram/Use Case Diagram for Manager.vpd new file mode 100644 index 0000000..a8d82b7 Binary files /dev/null and b/Usecase diagram/Use Case Diagram for Manager.vpd differ diff --git a/Usecase diagram/Use Case quản lý quán cà phê.png b/Usecase diagram/Use Case quản lý quán cà phê.png deleted file mode 100644 index ec2a280..0000000 Binary files a/Usecase diagram/Use Case quản lý quán cà phê.png and /dev/null differ diff --git a/Usecase diagram/Usecase Diagram CoffeeShop.vpd b/Usecase diagram/Usecase Diagram CoffeeShop.vpd deleted file mode 100644 index d8c758f..0000000 Binary files a/Usecase diagram/Usecase Diagram CoffeeShop.vpd and /dev/null differ