• http://elibrary.tucl.edu.np/items/a8d2f510-ed4d-44f4-8760-13bcd8fa6bfc
• http://elibrary.tucl.edu.np/items/ce6c31f3-bb12-48ae-a78a-9f57665db6de
• http://elibrary.tucl.edu.np/items/dcba747d-d83b-4d56-bfca-4fcf76fbceba
• http://elibrary.tucl.edu.np/items/f1516e38-042c-4dec-9833-04bed428353d
• http://elibrary.tucl.edu.np/items/815cb7bd-1ed2-4d73-9ba3-0b19b98d5b92
• http://elibrary.tucl.edu.np/items/36d7246a-9688-4b7d-bc7d-3747c9404249