Khaligh, D. N. G., and F. . Mutalabisin. “Iodine Supported poly(4-vinylpyridine): Efficient and Recoverable Catalyst for the Synthesis of 3,3-Diheteroaromatic Oxindoles”. Malaysian Catalysis-An International Journal, vol. 3, no. 1, Sept. 2023, https://vmis.um.edu.my/index.php/MCIJ/article/view/41722.