Mindlin, Yurii B., Boris M. Zhukov, Victoria V. Prokhorova, Fedor V. Shutilov, and Elena O. Belova. 2016. “Main Stages of the Formation of an Economic Cluster”. International Journal of Economics and Financial Issues 6 (1S):261-65. https://econjournals.com.tr/index.php/ijefi/article/view/2395.