Artha, I.W.B. and Mulyana, B. 2018. The Effect of Internal and External Factors of Companies on Profitability and its Implications on Stock Price Index of State-Owned Banks. The Economics and Finance Letters. 5, 2 (Dec. 2018), 58–71. DOI:https://doi.org/10.18488/journal.29.2018.52.58.71.