0379-3982 0379-3982 S0379-39822016000400092 10.18845/tm.v29i4.3040 Costa Rica Costa Rica Costa Rica Costa Rica 00 12 2016 00 12 2016 29 4 92 101

2014 2015 2015 a 2015 b 2009 1997 1994 1996 2013