Suryantoro, Eko, Atyanti Isworo, and Arif Setyo Upoyo. “Perbedaan Efektivitas Pursed Lips Breathing Dengan Six Minutes Walk Test Terhadap Forced Expiratory”. Jurnal Keperawatan Padjadjaran 5, no. 2 (August 11, 2017). Accessed March 29, 2024. https://jkp.fkep.unpad.ac.id/index.php/jkp/article/view/448.