Walaa S. Mohamed, Yehia M. M. Abbas, Amal A. A. Ammar, Sameh H. Negm, Mohamed M. Rezk and Nilly A. Kawady 2025. Study the Fungal Leaching Activity in Relation to the Extracellular Protein Secretion on Different Samples from Um Bogma Formation in Gabal Um Hamd, Southwestern Sinai, Egypt. Sustainable Chemical Engineering. 7, 1 (Dec. 2025), 66–79. DOI:https://doi.org/10.37256/sce.7120267890.