“Prototype of Ecological Roof through Hydroponics With Recycled Materials from Plastic Products Made of Polyethylene Terephthalate”. Revista de Investigación UNIVO 1, no. 10 (June 24, 2025): 40–51. Accessed November 6, 2026. https://revista.univo.edu.sv/index.php/investigacion/article/view/22.