Gumayesty, Yeyen. “Determinants Of The Under Five Years Children Visit To Posyandu In The Pusaran Enok District’s Of Indragiri Hilir”. Jurnal Kesehatan Komunitas (Journal of Community Health), vol. 3, no. 4, Dec. 2017, pp. 138-44, doi:10.25311/keskom.Vol3.Iss4.135.