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Cendana, W.P., Silmina, E.P., Dana, S.R. and Firmansyah 2021. Mapping Design of The Impact of Covid-19 in Yogyakarta Using SIG .
Procedia of Engineering and Life Science
. 1, 2 (Nov. 2021). DOI:https://doi.org/10.21070/pels.v1i2.1152.