Novianti, A., and N. Simu. “Kebijakan Hutang, Kebijakan Dividen, Dan Profitabilitas, Serta Dampaknya Terhadap Investment Opportunity Set (IOS)”. Jurnal Manajemen Teori Dan Terapan| Journal of Theoretical and Applied Management, vol. 9, no. 1, Oct. 2016, doi:10.20473/jmtt.v9i1.2782.