“Effectiveness of Guided Imagery to %FEV1, Absolut Neutrophil, Anxiety, and Quality of Life in Stable Chronic Obstructive Pulmonary Disease (COPD) Patient”. Jurnal Respirologi Indonesia 44, no. 4 (October 31, 2024). Accessed August 31, 2025. http://jurnalrespirologi.org/index.php/jri/article/view/387.