Ilham, Ilham. “RETRACTION NOTICE TO : Perangkat Lunak Perhitungan Perubahan Jabatan Dengan Menggunakan Fuzzy Analytical Hierarchy Process (Studi Kasus : UIN Sunan Ampel Surabaya)”. Systemic: Information System and Informatics Journal 3, no. 1 (December 3, 2018): 41–44. Accessed April 29, 2024. https://jurnalsaintek.uinsby.ac.id/index.php/SYSTEMIC/article/view/194.