Dr. Firdaus, S.Sos., M.Si.
Google Scholar: https://scholar.google.co.id/citations?user=c_-d4e0AAAAJ&hl=en
SINTA ID: 205476
Scopus ID: 57221607180
Universitas PGRI Sumatera Barat, Indonesia
Google Scholar: https://scholar.google.co.id/citations?user=c_-d4e0AAAAJ&hl=en
SINTA ID: 205476
Scopus ID: 57221607180
Universitas PGRI Sumatera Barat, Indonesia