Badawi , Thuraya Khalaf. 2013. “EFFECTS OF DIFFERENT LEVELS OF BIOFERTILIZER Trichoderma Harzianum IN SOME THERMODYNAMIC PARAMETERS OF POTASSIUM”. Diyala Agricultural Sciences Journal 5 (2):544-53. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/2838.