“Examine the Multi-Scattering Effect on the Detected Backscattering Photons By Cometary Molecules”. Iraqi Journal of Science [Internet]. 2023 Mar. 30 [cited 2024 Dec. 19];56(3B):2380-91. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9875