Pemanfaatan Posyandu lansia di wilayah kerja Puskesmas Naras Kota Pariaman tahun 2008 (studi kualitatif) = Utilization of the integrated health posts for the elderly in working area of Naras Health Center of Pariaman City in 2008 (Qualitative Study) - Yullie Mulyadi, author (Universitas Indonesia, 2008)