Silica-Supported Cu–Zn Nanoparticles as a Heterogeneous Catalyst for Synthesis of Β-Amino Esters Derivatives Via Sono Chemistry. International Journal of Environmental Sciences, [S. l.], p. 1479–1484, 2025. DOI: 10.64252/en7z2691. Disponível em: https://theaspd.com/index.php/ijes/article/view/12627.. Acesso em: 6 jun. 2026.