0188-6266 0188-6266 S0188-62662019000100246 10.15174/au.2019.2512 Mexico Mexico Spain Spain 00 00 2019 00 00 2019 29

2002 2012 4 12 12 10-3 2016 54 3 3 332-41 KSB 2018 2013 51 721-6 2011 1 1 1 79-86 2009 34 1 1 6-13 2009 2009 8 8 22-3 2008 6 2 2 170-5 2012 71 2 2 144-8 2010 107 87-92 2017 2017 2 4 4 1-17 2013 16 1 1 1-6 2018 22 1 1 15-26 Sistema Municipal de Agua Potable y Alcantarillado de Guanajuato 2017 1994 208 1 1 59-66 2012 48 507-13