Update app.py

app.py

@@ -151,8 +151,9 @@ def main():
                             st.markdown(f"**Confidence**: {similarity:.1%}")
                             st.markdown(f"**Authors**: {res['authors']}")
                             source = res['source']
-                            if source and is_valid_url(source):
-                                st.markdown(f"[View Source]({source}) | [Google Scholar Search](https://scholar.google.com/scholar?q={quote(res['title'])})")
+                            st.write("**Sources**:")
+                            for url in row['source']:
+                                st.markdown(f"- [{url}]({url}) | [Google Scholar Search](https://scholar.google.com/scholar?q={quote(res['title'])})")
         
             except Exception as e:
                 logger.error(f"Search error: {str(e)}")