Mujahid, H. ., Zia, W., Ali, A., Ahmed, M., Saqib, M. S., Shahid, A. M., & Arshad, M. U. . (2022). Comparison of Jacobson’s Progressive Relaxation Technique and Laura Mitchell’s Relaxation Technique on quality of life and sleep in COPD Patients.: Quality of life and sleep in COPD Patients. Pakistan BioMedical Journal, 5(2), 99–103. https://doi.org/10.54393/pbmj.v5i2.247