Published Economic Evaluation of Small Capacity Sewage Processing Units by Gratziou M.K.,Tsalkatidou M., and Kotsovinos N.E. paper_9_GRATZIOU_387.pdf
Published Analysis of the evolution in current biomass to energy strategies, policy and regulations in Spain by San Miguel G., Servert J. and Canoira L. 374-383_642_SAN_MIGUEL_12-4.pdf