SARAIVA, Odirley Willians Miranda et al. Integration method of non-elementary exponential functions using iterated Fubinni integrals. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 9, n. 9, p. 169–177, 2021. DOI: 10.31686/ijier.vol9.iss9.3326. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/3326.. Acesso em: 11 may. 2024.