Error with iso

handlers/handlers.go

@@ -78,7 +78,7 @@ func ReadershipHandler(w http.ResponseWriter, r *http.Request) {
 
         readershipDetail := models.ReadershipDetail{
             Country:    country.Official_Name,
-            ISOCode:    country.ISOCode,
+            ISOCode:    country.ISO3166_1_Alpha_2, // Corrected field access
             Books:      len(books.Results),
             Authors:    services.CalculateUniqueAuthors(books.Results),
             Readership: population,