Hussein Mohsen Hameed, Faiq Hassan Ali, Maytham Abas Makki, “The Synergistic Effect for Pseudomonas Fluorescens and Salicylic Acid in Chlorophyll A, B and Carotene Content of Wheat Plant (Triticum Aestivum L.)”, Annals of RSCB, pp. 2642–2649, May 2021.