Zhang Q, Lei D, Luo Q, Deng T, Cheng J, Zhang Y, et al. Immobilizing Ni (II)-Exchanged Heteropolyacids on Silica as Catalysts for Acid-Catalyzed Esterification Reactions. Period. Polytech. Chem. Eng. [Internet]. 2021 Jan. 1 [cited 2024 Dec. 21];65(1):21-7. Available from: https://pp.bme.hu/ch/article/view/14788