Experimental Investigation into the Extraction of Nicotinic Acid Using Natural Non-Toxic and Conventional Solvents. Hungarian Journal of Industry and Chemistry, [S. l.], v. 53, n. 1, p. 9–15, 2025. DOI: 10.33927/hjic-2025-02. Disponível em: https://hjic.mk.uni-pannon.hu/index.php/hjic/article/view/1245. Acesso em: 12 apr. 2025.