1. Abdelaziz, F., El-Enbaby, H., Zhang, X., Breisinger, C.: Clusters as drivers of local industrial development in Egypt: which are the promising sectors and locations? Middle East and North Africa Regional Program Working Paper 10. International Food Policy Research Institute (IFPRI), Washington, DC (2018)
2. Abuhommous, A.A.A.: The impact of offering trade credit on firms’ profitability. J. Corpora. Acc. Fina. 28(6), 29–40 (2017). https://doi.org/10.1002/jcaf.22298
3. Agovino, M., Rapposelli, A.: Agglomeration externalities and technical efficiency in Italian regions. Qual. Quant. 49, 1803–1822 (2015). https://doi.org/10.1007/s11135-014-0056-1
4. Akoten, J.E., Otsuka, K.: From tailors to mini-manufactures: the role of traders in the performance of garment enterprises in Kenya. J. Africa. Econ. 16(4), 564–595 (2007)
5. Amara, M.: Firm performance and agglomeration effects: evidence from Tunisian firm-level data. Working Papers Series No. 1297, Economic Research Forum, Cairo (2019)