*, Suparti, Alan Prahutama, Rukun Santoso, and Rita Rahmawati. “Modeling Inflation of Transportation, Communication, and Service Sectors in Indonesia Using Intervention Model”. International Journal of Science and Engineering Invention (January 26, 2019): 34 to 38. Accessed April 28, 2024. http://ijsei.in/index.php/ijsei/article/view/127.