如何启动从另一个angular2应用程序内的私人npm注册表安装的应用程序

I have created individual apps and published them into a private npm registry. I have created a new Angular2 project and installed these apps as dependencies. Now when I do npm start the Angular2 app is starting but how do I invoke the other apps which I had installed from the private registry. I want all the apps to be working in the same project with displaying corresponding details based on the selection of app.I have created individual apps and published th