Formal VS Informal words in English

Differentiate between formal and informal organisation on the basis of 'authority'.

Formal And Informal Credit: Who Gets What?|Self-Help Groups For The Poor|Advantages Of SHGs|OMR|Summary

Formal And Informal Credit: Who Gets What?|Self-Help Groups For The Poor|Advantages Of SHGs|OMR|Summary

Differentiate between formal and informal organisation on the basis of (i) origin, (ii) authority, and (iii) flow of communication.

Formal And Informal Communication