Azis, Hidayat, 		Retnaningtyas, Ekowati, AND 		Sindarti, Goretti.
" The Effect Of Deep Breathing Exercise On The Level Of Answer In Pre Operation Sectio Caesarea Patients In Lavalette Hospital, Malang City" <em>Jurnal Pendidikan Kesehatan</em> [Online], Volume 9 Number 2 (25 October 2020)