ALHARTHI, Abdulrahman I. Efficient Catalytic Performance of Calcined Tungstophosphoric Acid for the Claisen-Schmidt Condensation under Solvent-Free Reaction. Asian Journal of Chemistry, [S. l.], v. 31, n. 11, p. 2579–2584, 2019. DOI: 10.14233/ajchem.2019.22219. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/31_11_28. Acesso em: 20 may. 2024.