Petra-r Cryptographic Hash Functions. - Mohannad Najjar (Security and Management, 2003)

d-HMAC Dynamic HMAC function. - Mohannad Najjar; Firas Najjar (DepCoS-RELCOMEX, 2006)

Building ontological relationships: A new approach. - Ahmad Kayed; Nael Hirzallah; Luai A. Al Shalabi; Mohannad Najjar (J. Assoc. Inf. Sci. Technol., 2008)

Using Improved d-HMAC for Password Storage. - Mohannad Najjar (Comput. Inf. Sci., 2017)