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 Managing risks in public procurement of defense innovation: lessons from the development of an anti-armor mine in EstoniaPloom, Illimar; Kalvet, Tarmo; Kütt, Raul; Veinla, Markus; Tiits, MarekJournal of baltic studies2024 / 26 p. https://doi.org/10.1080/01629778.2024.2375594 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS