Kolmakov, Vladimir Vladimirovich, Aleksandra Grigorievna Polyakova, Svetlana Vasilievna Karpova, and Alla Nikolaevna Golovina. 2019. “Cluster Development Based on Competitive Specialization of Regions”. Economy of Regions 15 (1):270-84. https://doi.org/10.17059/2019-1-21.