Saudi, Ahmed H. “EFFECT OF SEED SIZE, PLANT GROWTH REGULATORS AND SOME CHEMICAL MATERIALS ON GERMINATION CHARACTRISTICS AND SEEDLING VIGOUR OF RICE (Oryza Sativa L.) SEEDS”. Diyala Agricultural Sciences Journal , vol. 9, no. special Issue, Dec. 2017, pp. 91-106, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3509.