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Suryantoro E, Isworo A, Upoyo AS. Perbedaan Efektivitas Pursed Lips Breathing dengan Six Minutes Walk Test terhadap Forced Expiratory. J Kep Padjadjaran [Internet]. 2017Aug.11 [cited 2024Apr.26];5(2). Available from: https://jkp.fkep.unpad.ac.id/index.php/jkp/article/view/448