Estimation of Gypsum- Calcite Percentages Using a Fourier Transform Infrared Spectrophotometer (FTIR), in Alexandria Gypsiferous Soil -Iraq. Iraqi Journal of Science [Internet]. 2023 Jul. 2 [cited 2024 May 18];55(4B):1916-2. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10789