1.
Purnamasari AT, Ulfiana E, Wahyudi AS. The Relationship of Physical Activity and Sleep Quality Among Elderly Who Are Still Working. Indonesian J. Community Health Nurs. [Internet]. 2021 Aug. 20 [cited 2024 Aug. 6];6(2):45-50. Available from: https://e-journal.unair.ac.id/IJCHN/article/view/29051