RO-VIBRATIONAL PARTITION FUNCTION AND MEAN THERMAL ENERGY OF THE IMPROVED WEI OSCILLATOR. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 5, n. 1, p. 261–270, 2021. DOI: 10.33003/fjs-2021-0501-564. Disponível em: http://162.254.38.185/index.php/fjs/article/view/564. Acesso em: 17 sep. 2025.