Published: 20-06-2019

DOI: https://doi.org/10.19109/studiamanageria.v1i1.4147
DOI: https://doi.org/10.19109/studiamanageria.v1i1.4148
DOI: https://doi.org/10.19109/studiamanageria.v1i1.4150
DOI: https://doi.org/10.19109/studiamanageria.v1i1.4151
DOI: https://doi.org/10.19109/studiamanageria.v1i1.4152
DOI: https://doi.org/10.19109/studiamanageria.v1i1.4153