Alfaro Calderón, G. G. (2022). The second generation effects in business management. Unidad Editorial UPTC.
Chicago-čujuhus (17. p.)Alfaro Calderón, Gerardo Gabriel. The Second Generation Effects in Business Management. Unidad Editorial UPTC, 2022.
MLA-čujuhus (9. p.)Alfaro Calderón, Gerardo Gabriel. The Second Generation Effects in Business Management. Unidad Editorial UPTC, 2022.
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