Javadi, Farzad, and Reza Tayebee. “TiO2/Nanoclinoptilolite,/a/Recyclable/and/High/Efficient/Heterogeneous/Nanocatalyst,/for/the/Synthesis/of/2-Amino-4H-Chromene/Derivatives”. Iranian Journal of Catalysis, vol. 7, no. 4, Feb. 2024, https://oiccpress.com/ijc/article/view/3979.