“ANALISIS TIME SERIES TERHADAP LABA BERSIH PT ABM INVESTAMA TBK MENGGUNAKAN MODEL ARIMAX” (2026) Journal of Economics Management, 2(1), pp. 91–109. Available at: https://ejournal.institutsmb.id/index.php/JGSEG/article/view/119 (Accessed: 7 October 2026).