C. R. Ismail, A. I. Arfah, N. F. Khalid, M. Hamsah, and I. K. Amaliyah B, “Description of Physiological Changes and Feelings of Anxiety in 1st Trimester Pregnant Women at RSIA Sitti Khadijah 1 Muhammadiyah Makassar Branch”, JBT, vol. 24, no. 1, pp. 736–744, Apr. 2023.