Abubakar, A. I., Zeki, A. M., Chiroma, H., Muaz, S. A., Sari, E. N., & Herawan, T. (2015). Spread Spectrum Audio Watermarking Using Vector Space Projections. Springer.

Abubakar, Adamu I., Akram M. Zeki, Haruna Chiroma, Sanah Abdullahi Muaz, Eka Novita Sari, and Tutut Herawan. Spread Spectrum Audio Watermarking Using Vector Space Projections. Springer, 2015.

Abubakar, Adamu I., et al. Spread Spectrum Audio Watermarking Using Vector Space Projections. Springer, 2015.