Yassir Kadhim A. Measurement copper and zinc in Al Shamia City soilSelected by usingjacson method. QJPS [Internet]. 2018Aug.4 [cited 2026Jan.18];21(1):92 - 201. Available from: https://www.journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/883