A. M. Kadhim and K. A. Shakir 2024. EXTRACTION, PURIFICATION AND CHARACTERIZATION OF ELASTASE FROM THE DIGESTIVE DUCT OF CATFISH (SILURUS TRIOSTEGUS). IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 55, Special (Jan. 2024), 258–266. DOI:https://doi.org/10.36103/ijas.v55iSpecial.1904.