Nested forms in Angular

Form array and dynamic forms with not know list of fields

How To Dynamically Create Form Fields with FormArray in Angular | DigitalOceanDigitalOcean

When to use FormGroup vs. FormArray?Stack Overflow

How To Dynamically Create Form Fields with FormArray in Angular | DigitalOceanDigitalOcean

Extracting part of the form as sub-component

How To Dynamically Create Form Fields with FormArray in Angular | DigitalOceanDigitalOcean

Using Child Components in Angular FormsMedium

Nested Forms in Angular - Web Development BlogWeb Development tips and tricks - theCodeCampus Blog

Dynamic Nested Reactive Forms In AngularMedium

Using Child Components in Angular FormsMedium

Other approaches

https://blog.angularindepth.com/angular-nested-reactive-forms-using-cvas-b394ba2e5d0dblog.angularindepth.com