Siahaan, Irfan Efendi, and James Piter Marbun. “Application of Fuzzy Service Quality Method in Student Satisfaction Analysis of School Service Quality at SMAN 1 Simanindo, Samosir Regency: Penerapan Metode Fuzzy Service Quality Dalam Analisis Kepuasan Siswa Terhadap Kualitas Pelayanan Sekolah SMAN 1 Simanindo Kabupaten Samosir”. Journal of Mathematics Technology and Education 1, no. 3 (December 22, 2022): 242-256. Accessed May 6, 2024. https://talenta.usu.ac.id/jomte/article/view/8968.