Sahel, Faris M., and AbdulRaheem assi obaid. 2016. “THE IMPACT OF BIO-FERTILIZERS AND ACID HUMIC ACID IN THE READINESS OF MAJOR NUTRIENTS ( NPK) AND THE GROWTH AND YIELD OF TOMATO BY REGIONS CANDILLA INSIDE GREENHOUSES ”. Diyala Agricultural Sciences Journal 8 (2):105-16. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1539.