RUSEVA, A. et al. Assessment of the ecological state and health of oil-contaminated Luvic Phaeozems Albic, Gleyic Albeluvisols, and Greyic Phaeozems after remediation by biochar. SAINS TANAH - Journal of Soil Science and Agroclimatology, v. 22, n. 1, p. 107–118, 2 Jun.2025.