Cáceres-Hernández, José J., and Gloria Martín-Rodríguez. “Stationarity of Seasonal Patterns in Weekly Agricultural Prices”. Spanish Journal of Agricultural Research 16, no. 3 (December 19, 2018): e0109. Accessed May 2, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/12937.