Effect of progressive muscle relaxation (PMR) in decreasing blood glucose levels of type 2 diabetes mellitus patients In raden mattaher district hospital Jambi = Effect of Progressive Muscle Relaxation (PMR) in Decreasing Blood Glucose Levels of Type 2 Diabetes Mellitus Patients In Raden Mattaher District Hospital Jambi - Mashudi, author (Fakultas Ilmu Keperawatan Universitas Indonesia, 2011)