Díaz Pérez, Jennifer Noelia ; Escobar Cortez, Nelson Steven ; Flores Escobar, Astrid Michelle https://ri.ues.edu.sv/id/eprint/23832/1/LA%20CONTRIBUCI%C3%93N%20DE%20LA%20COOPERACI%C3%93N%20DESCENTRALIZADA%20EN%20MATERIA%20DE%20ABASTECIMIENTO%20DEL%20RECURSO%20H%C3%8DDRICO%20Y%20SANEAMIENTO%20EN%20EL%20%C3%81REA%20METROPOLITANA%20DE%20SAN%20SALVADOR,%20CASO%20MUNICIPIO%20DE%20SANTA%20TECLA%20DURANTE%20EL%20PER%C3%8DODO%202015-2018.pdf.
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2021