“Relation Of Knowledge About Diabetes Mellitus With Motivation To Prevent Complications In Pematang Reba The Working Area Of Pekan Heran`s Public Health Center Of Indragiri Hulu Regency”. JURNAL PROTEKSI KESEHATAN, vol. 9, no. 1, Mei 2020, hlm. 37-43, https://doi.org/10.36929/jpk.v9i1.247.