Hurtado de Mendoza, L. and Alvarado, G. E. (2021) “Notes on natural and cultural factors in the pre-Hispanic sociopolitical development of the northwest of Guanacaste, Costa Rica”, Revista de Biología Tropical, 69(S2), pp. S15–S28. doi: 10.15517/rbt.v69iSuppl.2.48739.