Angriawan, S., Dewi Nasien, M. Hasmil Adiya, Roni Sanjaya, Yenny Desnelita and Feri Candra (2022) “The Best Smartphone Brand using The Preference Selection Index Method”, International Journal of Electrical, Energy and Power System Engineering, 5(2), pp. 37-44. doi: 10.31258/ijeepse.5.2.37-44.