1. Assessment of air velocity profiles in belt conveyor galleries and their drying effect on brown coal during transportation;Attwood;Bulk Solids Handling,1987
2. Brown, S. (2004). Conveyor noise specification and control. In: Proceedings of Acoustics.
3. Serious creativity harper collins;De Bono;Business,1996
4. Denning, S. (2014). The best of Peter Drucker. Forbes.
5. Innovation and entrepreneurship;Drucker,2014