2227-1899 2227-1899 S2227-18992019000100176 Cuba 00 03 2019 00 03 2019 13 1 176 191

PMI P. M. I 2017 Sixth 19073-3299 2015 1998 1998 2016 10 145-58 2017 a 2017 b 2016 10 43-57 2016 10 195-209 2015 2016 2017 10 1 1 320-35 2016 10 71-86 2011 12 2016 9 2 2 263-80 2018 21 2015 1 15 15 2000 8 6 6 746-52 2017 2016 1996 96 205-16 2016 7 12 12 1317-25 2016 10 210-23 2014 2012 2015 2012 2016 10 2 2 181-95 2014 2012 2017 2013 2011 2018 21 2013 2015 2010 2018 12 163-75 2018 12 135-150. 2012 2017 11 3 3 174-89 2012 2016 SEI S. E. I 2015 2016 10 239-51 2013 2015 2015 2014 8 3 3 43-55 2016 10 171-85