The Influence of Management Accounting Information Systems, Decentralization, and Environmental Uncertainty on Managerial Performance at PT. Karya Tama Bakti Mulia, Kuantan Singingi Regency: Pengaruh Sistem Informasi Akuntansi Manajemen, Desentralisasi, Dan Ketidakpastian Lingkungan Terhadap Kinerja Manajerial Pada PT. Karya Tama Bakti Mulia Kabupaten Kuantan Singingi. j.Perilaku Bisnis Kontemporer [Internet]. 2025 Mar. 1 [cited 2026 Aug. 6];2(1):23-31. Available from: https://journal.sumaterascientist.id/index.php/JUBIKO/article/view/25