Pandiana, L.; Ningsih, S. S. Elderly Visit Routines to Elderly Integrated Service Post in the Working Area of Payung Sekaki Community Health Center, Pekanbaru City 2017: Rutinitas Kunjungan Lansia Ke Posyandu Lansia Di Wilayah Kerja Puskesmas Payung Sekaki Kota Pekanbaru Tahun 2017. J Keskom 2019, 4, 76-80.