Massimi, M. 2021. Statistical Indices of Land Use Changes and Nutrients Balance of Tomatoes and Peppers Production in Jordan Valley and Highlands (1999-2019). Acta Geographica Debrecina Landscape & Environment series. 15, 2 (Dec. 2021), 65–76. DOI:https://doi.org/10.21120/LE/15/2/6.