Salehi, M., Koocheki, A. & Nasiri mahalati, M. (2003). Leaf nitrogen and SPAD... (e39752). Iranian Journal of Field Crops Research, 1(2), e39752

Salehi, M., Koocheki, A., & Nasiri mahalati, M. "Leaf nitrogen and SPAD..." .e39752 , Iranian Journal of Field Crops Research, 1, 2, 2003, e39752.

Salehi, M., Koocheki, A., & Nasiri mahalati, M. (2003). 'Leaf nitrogen and SPAD...', Iranian Journal of Field Crops Research, 1(2), e39752.

Salehi, M., Koocheki, A. & Nasiri mahalati, M., "Leaf nitrogen and SPAD...." Iranian Journal of Field Crops Research, 1 2 (2003): e39752,

Salehi M., Koocheki A., Nasiri mahalati M. Leaf nitrogen and SPAD... Iranian Journal of Field Crops Research. 2003;1(2):e39752 (In Persian).