MAHMUDAH, R. L., E. D. KARTININGRUM, Z. IKAWATI, and D. WAHYONO. “QUALITATIVE STUDY ON EFFECTIVE TELEHEALTHEDUCATIONAL METHOD CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) IN MOJOKERTO INDONESIA”. International Journal of Current Pharmaceutical Research, vol. 11, no. 3, May 2019, pp. 24-28, doi:10.22159/ijcpr.2019v11i3.34088.