“The Analysis of Establishment of The Organization of Occupational Health Efforts of Palm Oil Farmers Group in Suka Maju Village, Tapung Hilir I Primary Health Center, Kampar District in 2018: Analisis Pembentukan Wadah Pos UKK Kelompok Tani Sawit Desa Suka Maju, Wilayah Kerja Puskesmas Tapung Hilir I, Kabupaten Kampar Tahun 2018”. 2019. Jurnal Kesehatan Komunitas (Journal of Community Health) 5 (1): 7-12. https://doi.org/10.25311/keskom.Vol5.Iss1.281.