Mesquita, Francisco de Oliveira, et al. “Multivariate Analysis of Physico-Chemical Data of Soil Cultivated With Cactus Pear Varieties Intercropped With Legumes in Brazilian Semi-Arid Region”. Brazilian Journal of Physical Geography, vol. 18, no. 3, Apr. 2025, pp. 1960-9, doi:10.26848/rbgf.v18.3.p1960-1969.