Azis, Hidayat, Ekowati Retnaningtyas, & Goretti Maria Sindarti. " The Effect Of Deep Breathing Exercise On The Level Of Answer In Pre Operation Sectio Caesarea Patients In Lavalette Hospital, Malang City." Jurnal Pendidikan Kesehatan [Online], 9.2 (2020): 153-162. Web. 29 Mar. 2024