Adem, Kadhim A. “Study the Effect of Annealing Temperature on the Structure of a-Se and Electrical Properties of a-Se C-Si Heterojunction”. Iraqi Journal of Physics, vol. 7, no. 8, Dec. 2009, pp. 39-42, https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/912.