1. Ahmed HO, Ali WJ. Noise Levels, Noise Annoyance and Hearing-Related Problems in a Dental College. Arch Environ Occup Health. 2017; 72(3):159-165.
2. Hafiz O Ahmed. Noise exposure, awareness, practice and noise annoyance among steel workers in United Arab Emirates. The Open Public Health Journal. 2012;5: 28-35.
3. Hafiz O Ahmed and Abdelridha A Abdullah. Dust Exposure and Respiratory Symptoms among Cement Factory Workers in the United Arab Emirates. Industrial Health Journal. 2011; 50:214-222.
4. Ayesha H. Al-Suwaidi and Hafiz O. Ahmed. Determination of Para-Phenylenediamine (PPD) in Henna in the United Arab Emirates. Int. J. Environ. Res. Public Health 2010, 7(4), 1681-1693.
5. Hafiz O Ahmed and Mark Newson-Smith. Knowledge and practices related to occupational hazards among cement workers in United Arab Emirates. J Egypt Public Health Assoc 2010; 85(3-4):149-67.
6. Ahmed H.O, Dennis J.H, Badran O,Ismail M, Ballal S.G, Ashoor A, Jerwood D. Occupational Noise Exposure and Hearing Loss of Workers in Two Plants in Eastern Saudi Arabia. The Annals of Occupational Hygiene (United Kingdom), 2001; 45 (5): 371 - 380.