C. A. Liñan Olortegui, A. N. Miranda Villarroel, A. Carmona Arteaga, L. F. Castillo Navarro, and F. L. Pucha Cofrep, “R2 evaluation between Niño region SSTs (1+2, 3, 3.4, 4) and RAIN4PE monthly precipitation in the Piura River basin”., LACCEI, vol. 1, no. 14, July 2026, doi: 10.18687/LACCEI2026.1.1.234.