Issue 2 of Volume 123

Topological Integer Additive Set-Graceful Graphs

Authors: N.K. Sudev, K. P. Chithra, K.A. Germina

Design and Implementation of Anti Spyware System using Design Patterns

Authors: Mohamed Adel Sheta, Mohamed Zaki, Kamel Abd El Salam El Hadad, H. Aboelseoud M.

A Tool Selection Framework for Cross Platform Mobile App Development

Authors: Felix Appiah, J. B. Hayfron-Acquah, Joseph K. Panford, Frimpong Twum