C. Nessah, A. El Hmaidi, A. Lahjouj, E. M. El Faleh, A. Masrour, and K. Bouhafa, “Influence of Applied Nitrogen on Soil Water, Soil Nitrate (NO3-) Concentration and Crop Yields in a Potato Field in the Saïs Plain”, ESJ, vol. 52, p. 28, Apr. 2026.