Al Dabbas, Moutaz, Mohammed Y. Eisa, and Weam H. Kadhim. 2025. “Estimation of Gypsum- Calcite Percentages Using a Fourier Transform Infrared Spectrophotometer (FTIR), in Alexandria Gypsiferous Soil -Iraq”. Iraqi Journal of Science 55 (4hB): 1916-26. https://doi.org/10.24996/ijs.2014.55.4B.%g.