ISMAWATI, I.; SUHARTI, T.; YUDHAWATI, D. ANALISIS PORTOFOLIO OPTIMAL MENGGUNAKAN MODEL INDEKS TUNGGAL PADA SUBSEKTOR RETAIL DAN SUBSEKTOR RESTORAN, HOTEL & PARIWISATA. Manager : Jurnal Ilmu Manajemen, [S. l.], v. 5, n. 5, p. 1451–1459, 2022. DOI: 10.32832/manager.v5i5.8723. Disponível em: https://ejournal.uika-bogor.ac.id/index.php/Manager/article/view/8723. Acesso em: 6 may. 2024.