Source: https://www.researchgate.net/profile/Liliana-Marquez-Benavides/publication/308057682_Residuos_Solidos_Un_enfoque_multisdisciplinario_Vol_I/links/57d853d708ae0c0081edfdf1/Residuos-Solidos-Un-enfoque-multisdisciplinario-Vol-I.pdf