• Covid-19 and supply chain issues : the case of the Estonian defence industryPiip, Kaarel; Ploom, Illimar; Kalvet, Tarmo; Tiits, Marek; Veinla, MarkusSõjateadlane = Estonian journal of military studies2023 / p. 88-102 : ill https://www.ester.ee/record=b4555087*est