Subarja, Roy Efendi, and Billy Hendrik. “Evaluasi Kinerja Pelayanan Pegawai Kantor Camat Padangsidimpuan Utara Menggunakan Pendektan Fuzzy Inference System Sugeno ”. Indo Green Journal 1, no. 3 (September 27, 2023): 90 – 95. Accessed October 9, 2026. https://idngreen.com/index.php/green/article/view/17.