http://e-journal.unipma.ac.id/index.php/JPAUD/comment/view/856/0/73154 Bookmark Comment E-journal.unipma.ac.id 6 years
http://www.metar.cl/link.php?link=http://e-journal.unipma.ac.id/index.php/JPAUD/comment/view/1000/0/37057 Bookmark Comment Metar.cl 6 years