BARDHANARYA, RESEARCH SCHOLAR;, Harsh; MISHRA, READER;, Dr. J.K.; SINGH, DR. DEPT. OF LIBRARY AND INFORMATION SCIENCE, GOUR UNIVERSITY, SAGAR (M.P.), INDIA, Hari. VIRTUAL REFERENCE SERVICES: TOOLS AND TECHNIQUES. BIBLIOPOLIS, [S. l.], v. 47, n. 1, p. 21–33, 2020. Disponível em: https://ojs.hasdeu.md/index.php/bibliopolis/article/view/435. Acesso em: 19 apr. 2026.