1.
Berckoltz P. “DERECHO TRIBUTARIO, TEORIA GENERAL DEL IMPUESTO”. Raúl Barrios Obregoso. Urna, 1966. THEMIS [Internet]. 16may1966 [citado 25nov.2024];:82-3. Available from: https://revistas.pucp.edu.pe/index.php/themis/article/view/12623