Rosidah, Istiqomah, Ta’adi, and Dina Indarti Dyah. 2023. “Progressive Muscle Relaxation Effectively Reduces Nausea and Vomiting Postoperative Laparotomic Surgery ”. Jurnal Kebidanan Dan Keperawatan Aisyiyah 19 (2):82-88. https://doi.org/10.31101/jkk.3205.