Massah, A.R., Kalbasi, R.J. and Toghyani, M. (2024) “Sulfonated polystyrene/montmorillonite nanocomposite as a new and efficient catalyst for the solvent-free Mannich reaction”, Iranian Journal of Catalysis, 2(1). Available at: https://oiccpress.com/ijc/article/view/3720 (Accessed: 28 June 2026).