Ummu Harmain
Observed name: Harmain, Ummu
Institutions: Universitas Simalungun, Politeknik Negeri Medan
Observed institutions: Universitas Simalungun, Politeknik Negeri Medan
ORCID: 0009-0007-2460-2099
Observed ORCID: 0009-0007-2460-2099
OpenAlex ID: A5080923923
