METHODOLOGY FOR STUDYING SOME NON – INTGERABLE FUNCTIONS IN AN UNCONVENTIONAL WAY. International Journal of Advance Scientific Research, [S. l.], v. 3, n. 10, p. 316–323, 2023. DOI: 10.37547/ijasr-03-10-49. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/475. Acesso em: 27 jul. 2025.