Effect of Salinity irrigation water and Selenium spraying in chemical constituents of leaves of Two Cultivars of Okra (Abelmoschus esculentus L. ) Cultivated in Greenhouses
Mağallaẗ al-ʿulūm al-zirāʿiyyaẗ  wa-al-bīʾiyyaẗ  wa-al-bayṭariyyaẗ