https://elibrary.khec.edu.np/handle/123456789/1070 Fri, 17 Jul 2026 04:21:25 GMT 2026-07-17T04:21:25Z https://elibrary.khec.edu.np/handle/123456789/1071 Title: BEL https://elibrary.khec.edu.np/handle/123456789/1071