Ziagham,S. , , jahangirimehr,A. , , Najafi,M. , and sayahi,M. . "Teaching the skills of episiotomy repair based on the human placenta practice model in midwifery students: an experimental study", Educational Development of Judishapur, 16, 3, 2025, 225-234. doi: 10.22118/edc.2024.385044.2253