Rezaee Nezhad E, Karimian S. Synthesis of benzimidazole derivatives using Ni2+ supported on hydroxyapatite-core@shell Î³-Fe2O3 nanoparticles both under solvent and solvent-free conditions. Iran. J. Catal. 2024;5(4). Accessed June 3, 2026. https://oiccpress.com/ijc/article/view/3866