Physical Activity and Quality of Life of Type 2 Diabetes Mellitus Patients: A Cross-sectional Study During the COVID-19 Pandemic: Aktivitas Fisik dan Kualitas Hidup Pasien Diabetes Melitus Tipe 2: Studi Cross-sectional Selama Masa Pandemi COVID-19 - Umardi , Adhelia Ananda (Al-Hijrah Indonesia, 2022)