GUERRERO, Ruben. Application of ethnomathematics in the teaching of integral calculus at the state polytechnic University of Carchi. INTRA: Interdisciplinary Research and Analysis Journal, [S. l.], v. 1, n. 2, p. 1–11, 2025. DOI: 10.63948/intraj.v1i2.433. Disponível em: https://intraj.org/index.php/intra/article/view/433. Acesso em: 23 jul. 2026.