Sugiarto, Teguh, and Ahmad Subagyo. 2017. “E-Queue Mobile Application Johansen Cointegration-Granger Causality Model Relationship Between IDR and BATH Currency”. Journal of Research in Business, Economics and Management 8 (4), 1485-92. http://www.scitecresearch.com/journals/index.php/jrbem/article/view/1080.