Harahap, N. et al. 2026. Analisis Sistem Pengendalian Internal Persediaan Barang Dagang (Sparepart) Dalam Mempertahankan Laba Perusahaan. Journal of Exploratory Dynamic Problems. 3, 3 (Jul. 2026), 365–372. DOI:https://doi.org/10.31004/edp.v3i3.172.