- El hadef El Okki M., Sahli L., Bentellis A., Azzoug R., Du Laing G. and Rached O.- Assessment of metal contamination in soil banks of the Rhumel Wadi (Northeast Algeria). Toxicological and Environmental chemistry /2015.

DOI:10.1080/02772248.2015.1101115

Belkacem S, Belbache H, Boubkri C, Mosset P, Rached O, Marchioni E., Benayache S. et Benayache F.. Chemical Constituents from Centaurea parviflora Desf.. Research Journal of Pharmaceutical, Biological and Chemical Sciences (IF : 0,35), 5(3), 1275-1279 /2014.

- Benhamdi A, Bentellis A., Rached O, Du Laing G. et Mechakra A. - Effects of Antimony and Arsenic on Antioxidant Enzyme Activities of Two Steppic Plant Species in an Old Antimony Mining Area. Biological Trace elements research (IF : 1,608). 158, 96-104 /2014.

- Bentellis A., Azzoug R., El Hadef el Okki M. et Rached O. – Trace elements pollution from an abandoned mine and factors affecting antimony concentrations in the Dahimine wadi bank soils (Northeast Algeria). Carpathian Journal of Earth and Environmental Sciences (IF : 1,495). 9(1), 95-106 /2014.

- Krika A., Rached O. Du Laing G   – "Assessment of atmospheric lead contamination of banks soils using soils Tamarisk grove. Case study of the Kebir-Rhumel wadi (Algeria)". Carpathian Journal of Earth and Environmental Sciences (IF : 1,495), 8(1), 207-216 /2013.