Handover Based IMS Registration Scheme for Next Generation Mobile Networks. - Shireen Tahira; Muhammad Sher; Ata Ullah; Muhammad Imran 001; Athanasios V. Vasilakos (Wirel. Commun. Mob. Comput., 2017)

Systematic Literature Review on Energy Efficient Routing Schemes in WSN - A Survey. - Maryam Shafiq; Humaira Ashraf; Ata Ullah; Shireen Tahira (Mob. Networks Appl., 2020)