Mir’atul Firdaus, Moh. Hafiyusholeh, and Setyawan Widodo. “Prediksi Nilai Jual Objek Pajak (NJOP) Tanah Di Kabupaten Gresik Menggunakan Regresi Polinomial”. Jurnal Algebra 1, no. 1 (August 31, 2020): 81-89. Accessed January 22, 2021. http://jurnalsaintek.uinsby.ac.id/index.php/algebra/article/view/1021.