Darmawan, Wahyu, Mujari Mujari, and Darwin Kesuma. 2026. “The Effect Of Service Quality And Product Excellence On Customer Satisfaction At The Sigma Motor Workshop In Lahat”. Jurnal Akuntansi, Manajemen Dan Bisnis Digital 5 (1), 107-12. https://doi.org/10.37676/jambd.v5i1.9808.