“Societies, Sectors and Formative Period Sites in Zaña and Jequetepeque Valleys, North Coast of Perú”. Boletín de Arqueología PUCP, no. 12 (March 20, 2008): 119–139. Accessed September 19, 2026. https://revistas.pucp.edu.pe/index.php/boletindearqueologia/article/view/882.