Presence of Eisenia Fetida Enhanced Phytoremediation of Anthracene by Lolium Perenne 
Akbar GHAVIDEL; Sumayyah Naji RAD; Hossein Ali ALIKHANI; Bagher YAKHCHALI; Ahmad Ali POURBABAI

Bioleaching of heavy metals from sewage sludge, direct action of Acidithiobacillus ferrooxidans or only the impact of pH?
Akbar Ghavidel, Sumayyah Naji Rad, Hosein Ali Alikhani,  Meraj Sharari, Alireza Ghanbari

The Effect of Chemical and Non-Chemical Control Methods on Weeds in Potato (Solanum Tuberosum L.) Cultivation in Ardabil Province, Iran
AZADBAKHT, A.  ALEBRAHIM, M. T. GHAVIDEL, A.

Bioremediation of gasoil by indigenous bacterial strains
Ghavidel, A. Naji Rad, S. and Alikhani, H.A.

The Effect of Chemical and Non-Chemical Weed Management Methods on Chemical and Biological Properties of Soil in Potato Cultivation in Ardabil Province, Iran
AZADBAKHT, A. ALEBRAHIM, M. T. MOHAMMADDUST CHAMANABAD, H. R. GHAVIDEL, A. KARBALAEI KHIAVI, H