Daniel, T. O., U. E. Uno, K. U. Isah, and U. Ahmadu. “Optimization of Electrical Conductivity of SnS Thin Film of 0.2 < T ≤ 0.4 μm Thicknes for Field Effect Transistor Application”. Revista Mexicana De Física, vol. 67, no. 2 Mar-Apr, July 2021, pp. 263-8, doi:10.31349/RevMexFis.67.263.