Andarwulan, S. 2020. The Relationship of Sewing Techniques with Symptoms of Perineal Wound Infection on The Sixth Day of Postpartum Mothers at BPM Sri Utami Surabaya. EMBRIO: Jurnal Kebidanan. 12, 1 (May 2020), 10–17. DOI:https://doi.org/10.36456/embrio.v12i1.2354.