المؤلفون: Amesho, Kassian T.T., Shopati, Abner Kukeyinge, Shangdiar, Sumarlin, Kadhila, Timoteus, Iikela, Sioni, Edoun, E.I., Chowdhury, Subrata, Thandiwe Sithole, Nastassia

المصدر: Circular Economy ; page 89-110 ; ISBN 9781003437482

الاتاحة: http://dx.doi.org/10.1201/9781003432869-5