Ryan, J. Et Al. 2012. SIGNIFICANCE OF PHOSPHORUS FOR AGRICULTURE AND THE ENVIRONMENT IN THE WEST ASIA AND NORTH AFRICA REGION. ADVANCES IN AGRONOMY, VOL 114 , vol.114 , 91-153.

Ryan, J., İBRİKÇİ, H., Delgado, A., Torrent, J., Sommer, R., & Rashid, A., (2012). SIGNIFICANCE OF PHOSPHORUS FOR AGRICULTURE AND THE ENVIRONMENT IN THE WEST ASIA AND NORTH AFRICA REGION. ADVANCES IN AGRONOMY, VOL 114 , vol.114, 91-153.

Ryan, John Et Al. "SIGNIFICANCE OF PHOSPHORUS FOR AGRICULTURE AND THE ENVIRONMENT IN THE WEST ASIA AND NORTH AFRICA REGION," ADVANCES IN AGRONOMY, VOL 114 , vol.114, 91-153, 2012

Ryan, John Et Al. "SIGNIFICANCE OF PHOSPHORUS FOR AGRICULTURE AND THE ENVIRONMENT IN THE WEST ASIA AND NORTH AFRICA REGION." ADVANCES IN AGRONOMY, VOL 114 , vol.114, pp.91-153, 2012

Ryan, J. Et Al. (2012) . "SIGNIFICANCE OF PHOSPHORUS FOR AGRICULTURE AND THE ENVIRONMENT IN THE WEST ASIA AND NORTH AFRICA REGION." ADVANCES IN AGRONOMY, VOL 114 , vol.114, pp.91-153.

@article{article, author={John Ryan Et Al. }, title={SIGNIFICANCE OF PHOSPHORUS FOR AGRICULTURE AND THE ENVIRONMENT IN THE WEST ASIA AND NORTH AFRICA REGION}, journal={ADVANCES IN AGRONOMY, VOL 114}, year=2012, pages={91-153} }