This study examines the relationship between internal audit functions and investment efficiency. We want to test the involvement of internal audit functions in corporate strategic management decisions like investment efficiency. This study employs all non-financial public listed on the Indonesia Stock Exchange from 2016 to 2019. and we obtained 1. https://www.markbroyard.com/amazing-price-color-touch-7-97-medium-blonde-cendre-brown-online-now-mega-choice/