Liu, B.; Zhou, Y. .; Essawy, H. .; Chen, Q. .; Liang, J. .; Zhou, X. .; Zhang, J. .; Du, G. Formaldehyde Free Tannin-Based Adhesive With Epoxy As Hardener for Plywood. Maderas-Cienc Tecnol 2022, 24, 1-18.