LLAVE ANGULO, Irvin Luis. The peruvian Income Tax and the deductible expenses forthe fifth category income taxpayers. Quipukamayoc, [S. l.], v. 26, n. 52, p. 11–17, 2018. DOI: 10.15381/quipu.v26i52.15526. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/quipu/article/view/15526.. Acesso em: 17 aug. 2024.