ANGULAR 2 - domain models approaches & modeling data and state & presentation model

Modeling data and state in Angular application (a good explanation)
http://joelhooks.com/blog/2013/04/24/modeling-data-and-state-in-your-angularjs-application/

Domain models and dependency injection
https://auth0.com/blog/2015/09/17/angular-2-series-part-2-domain-models-and-dependency-injection/

Presentation model (in Angular this function lays on $scope)
http://martinfowler.com/eaaDev/PresentationModel.html

Code organization in large Angular and JavaScript applications
http://cliffmeyers.com/blog/2013/4/21/code-organization-angularjs-javascript