1. A. C. O’Connor, M. P. Gallaher, K. Clark-Sutton, D. Lapidus, Z. T. Oliver, T. J. Scott, & J. Fletcher, Economic benefits of the global positioning system (GPS) (2019).
2. Precision agriculture—a worldwide overview
3. R. B. Langley, P. J. Teunissen, & O. Montenbruck, Introduction to GNSS. In Springer handbook of global navigation satellite systems (pp. 3-23). Springer, Cham (2017).
4. Real-time high-rate co-seismic displacement from ambiguity-fixed precise point positioning: Application to earthquake early warning
5. W. Wan Aris, T. Musa, K. Omar, and A. Omar: ‘Non-Linear Crustal Deformation Modeling for Dynamic Reference Frame: A Case Study In Peninsular Malaysia’, International Federation of Surveyors, FIG 2018, Istanbul, Turkey, 2018.