KULASEKERA MUDIYANSELAGE, N.; BLAZEJEWSKI, J. Intuition of Integration by Substitution Activity. POGIL Activity Clearinghouse, [S. l.], v. 3, n. 1, 2022. Disponível em: https://pac.pogil.org/index.php/pac/article/view/218. Acesso em: 25 apr. 2024.