Peruvian small and medium-sized enterprises in times of crisis — or what is happening over time?Durst, Susanne; Svensson, Ann; Acuache, Mariano Martin Genaro PalaciosSustainability (Switzerland)2021 / Art. 13560 https://doi.org/10.3390/su132413560 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS