Chaparro Alba, S. L. (2021). Evaluation of techniques to reduce the concentration of sedimentable solids in the wastewater produced in the coal mining in the municipality of Guachetá, Cundinamarca. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chaparro Alba, Sandra Liliana. Evaluation of Techniques to Reduce the Concentration of Sedimentable Solids in the Wastewater Produced in the Coal Mining in the Municipality of Guachetá, Cundinamarca. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chaparro Alba, Sandra Liliana. Evaluation of Techniques to Reduce the Concentration of Sedimentable Solids in the Wastewater Produced in the Coal Mining in the Municipality of Guachetá, Cundinamarca. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2021.
