Kabetta, Herman, et al. “Seamless Security on Mobile Devices Textual Password Quantification Model Based Usability Evaluation of Secure Rotary Entry Pad Authentication”. MATRIK : Jurnal Manajemen, Teknik Informatika Dan Rekayasa Komputer, vol. 22, no. 2, Mar. 2023, pp. 299-08, https://doi.org/10.30812/matrik.v22i2.2700.