https://www.animalpolitico.com/2021/03/efirma-renovacion-pagina-sat-pasos-seguir/?fbclid=IwAR2Y4nOOeAyBvue2cn5BhlcegXDG7F5jbw1nZjkFXAxm9fcMBbPIIftOty0
https://www.oinkoink.com.mx/noticias/economia/dolar-precio-de-hoy-18-marzo-de-2021-en-mexico/?fbclid=IwAR0GLcFo3EI_kDSdbGQ84LGD8QodhIRDSdXcOVOic83umC7sB5Xgc6g-hNc
https://www.milenio.com/negocios/sat-declaracion-anual-2021-debes-presentarla?fbclid=IwAR36xJ9QeLLclQaFUgniGfxOomeNFFMi_zAMRV556SuMVgDJMz-10LyzT-M
https://aristeguinoticias.com/1703/dinero-y-economia/precio-de-la-gasolina-alcanza-su-maximo-historico-y-sigue-en-aumento/?fbclid=IwAR2nNSU86JccbBgdi0PZBXgLbCr21HRNi9Vr5lYYsfbEz8xF2u-4AD_NRno
https://www.milenio.com/negocios/dolar-precio-17-marzo-tipo-cambio?fbclid=IwAR3bZmPu2dnpRzCPPITzH0WMaR91m3AVbY0MT3qh9w3rAtxAPycQri9xwY0
