Mun’im, A. and Mauludin, H. 2018. The Influence of Leverage and Liquidity at Profitability with Investment Opportunity Set (IOS) as Intervening Variable- A Case study at manufacturing companies listed in Indonesian Stock Exchange in period 2013-2016. International Journal of Management Excellence (ISSN: 2292-1648). 11, 2 (Aug. 2018), 1598–1606. DOI:https://doi.org/10.17722/ijme.v11i2.1015.