Kbaybu, I., Alzoabi , M. and Ahmad , S. (2021) “The effect of biogas slurry and mineral fertilizers on growth indicators and productivity of Maize (Zea Mays L.)”, Tishreen University Journal -Biological Sciences Series, 43(4). Available at: http://journal.tishreen.edu.sy/index.php/bioscnc/article/view/10935 (Accessed: 19January2022).