«MULTIVARIATE ANALYSIS USING GAMMA SPECTROMETRIC AND GEOCHEMICAL DATA IN AREA OF SUGAR CANE PLANTATION IN THE STATE OF PARANÁ/BRAZIL». Geoambiente On-line, no. 11 (agosto 16, 2013): 01–14 pág. Accedido octubre 1, 2026. https://revistas.ufj.edu.br/index.php/geoambiente/article/view/25970.