Al-Muhamadawi, M.J. and Rehab Abdul Mahdi Al-Hassani 2025. Cr (III), Mn (II), Co (II), and Ni (II) complexes with a bidentate Mannich base: Synthesis, bioevaluation, and docking studies of the free ligand. Applied Chemical Engineering. 8, 4 (Oct. 2025), ACE-5766. DOI:https://doi.org/10.59429/ace.v8i4.5766.