Fitri, Mulyana, Universitas Islam Negeri Sumatera Utara, Indonesia

• INSIS 5 (March 2023) - Articles
  PROSPECT OF OLIGOPOLY MARKET IN DIGITAL ECONOMY
  Abstract  PDF
• INSIS 6 (February 2024) - Articles
  THE URGENCY OF SHARIA BUSINESS DEVELOPMENT IN THE DIGITAL ERA
  Abstract  PDF