Maysaa Shaker Saeed , Dr. Reyam Naji Ajmi, “THE PROBABILITY OF CALCULATING THE POLLUTION LIMIT IN MINERAL-CONTAMINATED (PB ,CR, CU) IN THE INTEGRATED ECOSYSTEM IN THE CONTROLLING HEADQUARTERS /AL- MUTHANNA MILITARY AIRPORT – BAGHDAD”, JournalNX, vol. 9, no. 3, pp. 323–333, Mar. 2023.