Ayaş, H. And Gülser, F. 2005. The Effects of Sulphur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia oleracea var. Spinoza). INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES , vol.5 , 801-804.

Ayaş, H., & Gülser, F., (2005). The Effects of Sulphur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia oleracea var. Spinoza). INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES , vol.5, 801-804.

Ayaş, H., And Füsun Gülser. "The Effects of Sulphur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia oleracea var. Spinoza)," INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES , vol.5, 801-804, 2005

Ayaş, H. And Gülser, Füsun. "The Effects of Sulphur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia oleracea var. Spinoza)." INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES , vol.5, pp.801-804, 2005

Ayaş, H. And Gülser, F. (2005) . "The Effects of Sulphur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia oleracea var. Spinoza)." INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES , vol.5, pp.801-804.

@article{article, author={H. Ayaş And author={Füsun Gülser}, title={The Effects of Sulphur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia oleracea var. Spinoza)}, journal={INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES}, year=2005, pages={801-804} }