Novel Co-Precipitation method for synthesis of Nanostructured Nickel Oxide in accordance to PH: Structural and Optical Properties as an Active optical filter. IHJPAS [Internet]. 2019 Jan. 20 [cited 2024 May 1];32(1):1-6. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1974