Situmorang, G.M., Johni Siagian and Melinda Malau 2021. THE EFFECT OF DEBT TO EQUITY RATIO AND GOOD CORPORATE GOVERNANCE AGAINST FIRM VALUE (STUDY ON MINING SECTOR COMPANIES LISTED ON THE INDONESIAN STOCK EXCHANGE PERIOD OF 2014-2018). Fundamental Management Journal. 6, 1 (Apr. 2021), 132 -152. DOI:https://doi.org/10.33541/fjm.v6i1.2837.