Ryan, J. Et Al. 2008. Differential responses of barley landraces and improved barley cultivars to nitrogen-phosphorus fertilizer. JOURNAL OF PLANT NUTRITION , vol.31, no.2 , 381-393.

Ryan, J., Masri, S., Ceccarelli, S., Grando, S., & İBRİKÇİ, H., (2008). Differential responses of barley landraces and improved barley cultivars to nitrogen-phosphorus fertilizer. JOURNAL OF PLANT NUTRITION , vol.31, no.2, 381-393.

Ryan, John Et Al. "Differential responses of barley landraces and improved barley cultivars to nitrogen-phosphorus fertilizer," JOURNAL OF PLANT NUTRITION , vol.31, no.2, 381-393, 2008

Ryan, John Et Al. "Differential responses of barley landraces and improved barley cultivars to nitrogen-phosphorus fertilizer." JOURNAL OF PLANT NUTRITION , vol.31, no.2, pp.381-393, 2008

Ryan, J. Et Al. (2008) . "Differential responses of barley landraces and improved barley cultivars to nitrogen-phosphorus fertilizer." JOURNAL OF PLANT NUTRITION , vol.31, no.2, pp.381-393.

@article{article, author={John Ryan Et Al. }, title={Differential responses of barley landraces and improved barley cultivars to nitrogen-phosphorus fertilizer}, journal={JOURNAL OF PLANT NUTRITION}, year=2008, pages={381-393} }