Pinto-Santamaría, G.C. et al. 2019. Use of Ecuadorian natural and acid-surfactant modified zeolites for remediation of oil- contaminated soils. CT&F - Ciencia, Tecnología y Futuro. 9, 1 (May 2019), 93–104. DOI:https://doi.org/10.29047/01225383.155.