Lyman, Gustave. “Human Tracking Methods Comparison for Smart House Method Comparison in Human Tracking for Smart House Purpose”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi 5, no. 1 (June 30, 2014): 8-11. Accessed February 26, 2020. http://ejournals.umn.ac.id/index.php/SI/article/view/213.