Touch gesture-based authentication: A security analysis of Pattern Unlock. - Nasiru Ibrahim; Harin Sellahewa (ISBA, 2017)

Android Pattern Unlock Authentication - effectiveness of local and global dynamic features. - Nasiru Ibrahim; Harin Sellahewa (BIOSIG, 2019)

A cross-setting study of user unlocking behaviour in a graphical authentication scheme: a case study on android Pattern Unlock. - Nasiru Ibrahim; Harin Sellahewa (Int. J. Inf. Sec., 2023)