Dwi Rachmayana, Andi Muldiani, et al. “The Maternal Referral Profile Before and During the Covid-19 Pandemic at the Educational Hospital and Affiliation Hospital in Makassar City 2019 - 2021”. Nusantara Medical Science Journal, vol. 7, no. 2, Oct. 2022, pp. 106-13, doi:10.20956/nmsj.v7i2.19873.