Yulia Rizki Ramadhani
https://scholar.google.co.id/citations?user=S8HNXCwAAAAJ&hl=id
(ID SCOPUS : 57203261626) Universitas Graha Nusantara, Sumatera Utara, Indonesia
ID SCOPUS : 57203261626
Yulia Rizki Ramadhani
https://scholar.google.co.id/citations?user=S8HNXCwAAAAJ&hl=id
(ID SCOPUS : 57203261626) Universitas Graha Nusantara, Sumatera Utara, Indonesia
ID SCOPUS : 57203261626