Nury Nusdwinuringtyas, Johan Talesu, Anita Ratnawati, and Sabarinah B. Prasetyo, “The Effect of Low-Intensity Hairmyres Exercises on Six-Minute Walk Distance in Patients with Chronic Obstructive Pulmonary Disease: A Preliminary Study”, IndoJPMR, vol. 9, no. 02, pp. 69 - 78, Jul. 2021.