plural of atomic authorization

plural of statutory authority

plural of postal authority

plural of tax authority

Right or permission authorized verbally rather than in writing.

(of a person, institution, or written work) The quality or characteristic of being respected for having good character or knowledge, especially as a source of guidance or an exemplar of proper conduct.

Software designed for creating e-learning courses.

plural of course authoring tool

To know from a reliable source (that).

plural of authorship