Hamdiah, Likdanawati, Sutriani and Windawati Br Sembiring 2023. PROCEDURES FOR IMPLEMENTING INTERNAL AUDIT IN THE MANAGEMENT SYSTEM DEPARTMENT OF PT PUPUK ISKANDAR MUDA ACEH UTARA. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET). 2, 9 (Aug. 2023), 451–458. DOI:https://doi.org/10.54443/ijset.v2i9.199.