diff --git a/app/helpers/admin/journal_papers_helper.rb b/app/helpers/admin/journal_papers_helper.rb
index f4d1969..1c33eb6 100644
--- a/app/helpers/admin/journal_papers_helper.rb
+++ b/app/helpers/admin/journal_papers_helper.rb
@@ -83,16 +83,16 @@ module Admin::JournalPapersHelper
   			jls = JournalLevel.asc(:created_at).all.to_a
   			ts  = val.to_s.split(",")
   			ts.each do |t| 
-  			  jp.journal_level_ids << jls[t.to_i].id  if t.is_i? && t.to_i < jls.count
+  			  jp.journal_level_ids << jls[t.to_i].id  if t.to_s.is_i? && t.to_i < jls.count
   			end
   		when 14
   			jpts = JournalPaperType.asc(:created_at).all.to_a
-  			jp.journal_paper_type = jpts[val.to_i] if val.is_i? && val.to_i < jpts.count
+  			jp.journal_paper_type = jpts[val.to_i] if val.is_i? && val.to_s.to_i < jpts.count
   		when 15
   			jpas = JournalPaperAuthorType.asc(:created_at).all.to_a
   			ts  = val.to_s.split(",")
   			ts.each do |t|
-  				jp.journal_paper_author_type_ids << jpas[t.to_i].id if t.is_i? && t.to_i < jpas.count
+  				jp.journal_paper_author_type_ids << jpas[t.to_i].id if t.to_s.is_i? && t.to_i < jpas.count
   			end
   		when 16
   			jp.number_of_authors = val