Citation: Yue, Liu-Juan; Liu, Ying-Ying; Xu, Guo-Hai; Ma, Jian-Fang (2019). Calix[4]arene-based polyoxometalate organic--inorganic hybrid and coordination polymer as heterogeneous catalysts for azide--alkyne cycloaddition and Knoevenagel condensation reaction. New Journal of Chemistry, 43, pp. 15871-.