49-67
30-44
option for public development in Esmeraldas-Ecuador
77-89
45-53
106-116
123-135
a documentary review
26-41
4-14
17-30
a proposal for strengthening the pedagogical practice of teachers in an educational institution in the city of bogotá
48-68
69-84
notes from the solidarity economy
3-12
a being stripped?
3-13
9-20
3-8
74-88
teacher training in higher education
5-21
a 50-year journey
65-76
151-157
102-112
18-21
3-15
90-101
69-82
66-73