SpringerLink (Online service), Bitzer, V., Hamann, R., Hall, M., & Griffin-EL, E. W. (2015). The Business of Social and Environmental Innovation: New Frontiers in Africa. Springer International Publishing : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Verena Bitzer, Ralph Hamann, Martin Hall, και Eliada Wosu Griffin-EL. The Business of Social and Environmental Innovation: New Frontiers in Africa. Cham: Springer International Publishing : Imprint: Springer, 2015.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. The Business of Social and Environmental Innovation: New Frontiers in Africa. Springer International Publishing : Imprint: Springer, 2015.
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