Cepeda Arias, É. R., & Montañez Pérez, J. S. (2009). Analysis of alternatives for the use or final disposal of the sludge generated at the Paipa (Boyacá) mini-wastewater treatment plant. Universidad Pedagógica y Tecnológica de Colombia.
Cita Chicago (17th ed.)Cepeda Arias, Édisson Ramiro, i José Salvador Montañez Pérez. Analysis of Alternatives for the Use or Final Disposal of the Sludge Generated at the Paipa (Boyacá) Mini-wastewater Treatment Plant. Universidad Pedagógica y Tecnológica de Colombia, 2009.
Cita MLA (9th ed.)Cepeda Arias, Édisson Ramiro, i José Salvador Montañez Pérez. Analysis of Alternatives for the Use or Final Disposal of the Sludge Generated at the Paipa (Boyacá) Mini-wastewater Treatment Plant. Universidad Pedagógica y Tecnológica de Colombia, 2009.
