employment in the informal sector

Informal financial sector

an informal letter sent by an organization

Faculty of Informal Physics Engineering of Central South University

formal and informal ties

houses with informal property right

IAELM (Informal APEC Economic Leaders’ Meetings)

Informal

informal and formal channels

Informal associations

informal axiomatics

informal biostratigraphic unit

informal character

informal chronostratigraphic unit

informal civil legal act

informal communication

informal contract

informal credit

informal design review