Zakirullah, Muhammad, 		Jan, Numan Ali, Tariq, 		Hazratullah, Aka Khil,, AND 		Ikramullah, Muhammad.
" Effect of different nitrogen levels and cutting stages on crude protein, crude fiber, dry matter and green fodder yield of oat (Avena sativa L.)" <em>Pure and Applied Biology (PAB)</em> [Online], Volume 6 Number 2 (10 June 2017)