Sulistyoningtyas, S. “STUDI HUBUNGAN ANTARA SENAM NIFAS, INSIASI MENYUSU DINI (IMD) DAN PARITAS DENGAN INVOLUSIO UTERI: Study Of Relationship Between Senam Nifas, Early Breastfeeding Initiation (IMD) And Parity With Uteri Involution”. Jurnal Ilmiah Kebidanan (Scientific Journal of Midwifery), vol. 4, no. 2, Sept. 2018, pp. 70-76, doi:10.33023/jikeb.v4i2.162.