1. ABNT, 2004a. NBR 10004: Resíduos sólidos – Classificação (Solid waste – Classification). Assoc. Bras. Normas Técnicas. 10.1111/jsap.12162.
2. NBR 10006: Procedimento para obtenção de extrato solubilizado de resíduos sólidos (procedure for Obtention of Solubilized Extration of Solid Wastes);ABNT,2004
3. Diagnóstico dos Serviços de Água e Esgotos – 2014;Achon,2016
4. The toxicity of two types of sewage sludge from wastewater treatment plant for plants in Czech Republic;Adamcová;J. Ecol. Eng.,2016
5. Sewage sludge, compost and other representative organic wastes as agricultural soil amendments: Benefits versus limiting factors;Alvarenga;Waste Manag.,2015