Nugroho, Edi Suswardji, et al. “Financial Ratio to Predicting the Growth Income (Case Study: Pharmaceutical Manufacturing Company Listed on Indonesia Stock Exchange Period 2012 to 2016)”. International Review of Management and Marketing, vol. 7, no. 5, Dec. 2017, pp. 77-84, https://mail.econjournals.com/index.php/irmm/article/view/5632.