Robert Tua Siregar; Sukarman Purba; Nurmiati Nurmiati; Mustar Mustar; Arce Yulita Ferdinandus; Susana MW Muskita; Hengki Mangiring Parulian Simarmata; Marisi Butarbutar; Hasdiana S. Manajemen Bisnis. Yayasan Kita Menulis; 2023. oai:ais:library-item:2052