Hajagha, R. I. Et Al. 2019. Evaluation of Antioxidant Activity and Some Secondary Metabolites of Purple Coneflower (Echinacea purpurea L.) in Response to Biological and Chemical Fertilizers. Journal of Agricultural Science , vol.11, no.17 , 1-10.

Hajagha, R. I., Tabrizi, L., KAFKAS, N. E., & KIRICI, S., (2019). Evaluation of Antioxidant Activity and Some Secondary Metabolites of Purple Coneflower (Echinacea purpurea L.) in Response to Biological and Chemical Fertilizers. Journal of Agricultural Science , vol.11, no.17, 1-10.

Hajagha, Reza Et Al. "Evaluation of Antioxidant Activity and Some Secondary Metabolites of Purple Coneflower (Echinacea purpurea L.) in Response to Biological and Chemical Fertilizers," Journal of Agricultural Science , vol.11, no.17, 1-10, 2019

Hajagha, Reza I. Et Al. "Evaluation of Antioxidant Activity and Some Secondary Metabolites of Purple Coneflower (Echinacea purpurea L.) in Response to Biological and Chemical Fertilizers." Journal of Agricultural Science , vol.11, no.17, pp.1-10, 2019

Hajagha, R. I. Et Al. (2019) . "Evaluation of Antioxidant Activity and Some Secondary Metabolites of Purple Coneflower (Echinacea purpurea L.) in Response to Biological and Chemical Fertilizers." Journal of Agricultural Science , vol.11, no.17, pp.1-10.

@article{article, author={Reza Isazadeh Hajagha Et Al. }, title={Evaluation of Antioxidant Activity and Some Secondary Metabolites of Purple Coneflower (Echinacea purpurea L.) in Response to Biological and Chemical Fertilizers}, journal={Journal of Agricultural Science}, year=2019, pages={1-10} }