SULISTYOWATI, Vivin; AMBOROWATI, Agustin. NEGOSIASI BISNIS Strategi, Teknik, dan Praktik dalam Dunia Usaha. [s.l.] : PT. Ghani Press Group,2026. Disponível em: https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/110. Acesso em: 6 sep. 2026.