Lianawati, Lianawati, and Menik Sri Daryanti. “The Correlations of Method Between the First and the Subsequent Childbirth at PKU Muhammadiyah Yogyakarta Hospital in 2016”. International Journal of Health Science and Technology 1, no. 1 (July 30, 2019): 96–100. Accessed May 4, 2024. https://ejournal.unisayogya.ac.id/index.php/ijhst/article/view/949.