Tajul Ariffin Musa, Analysis of Residual Atmospheric Delay in the Low Latitude Region Using Network-Based GPS Positioning, Ph.D Thesis, University of New South Wales (UNSW), Australia (2007).
Tajul Ariffin Musa, Pembangunan pangkalan data kawasan tadahan : kes kajian kawasan tadahan Pergau, Master Thesis, Universiti Teknologi Malaysia (1997).
Tajul Ariffin Musa, Integrasi L3D-HEIGHT dan GPPS, Bsurv Thesis, Universiti Teknologi Malaysia (1995).