HASSAN, Abdulaziz; GIDADO, A. S. VIBRATIONAL FREQUENCY AND THERMODYNAMIC PROPERTIES OF NEUTRAL AND IONIC PYRENE AND ITS DERIVATIVES. FUDMA Journal of Sciences, [S. l.], v. 3, n. 2, p. 268–275, 2023. DOI: 10.33003/. Disponível em: https://fjs.fudutsinma.org.ng/index.php/fjs/article/view/1516. Acesso em: 24 oct. 2026.