Al-Khafaji, A. M. H. H. “STIMULATION GROWTH, YIELD, AND ACCUMILATION OF ANTIOXIDANT COMPOUNDS OF ONION HYBRIDS BY COLORED SHADES OF POLY ETHYLENE COVERS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, vol. 50, no. 6, Dec. 2019, https://doi.org/10.36103/ijas.v50i6.847.