Bin Azmi, M. A. ., Carolina Panggabean, Y. ., Andriyani , Y. ., & Prayugo, B. . (2023). Soil Characteristics of Settlements in Sukadono Hamlet, Helvetia District, Deli Serdang Regency. Sumatera Medical Journal, 6(3), 117–122. https://doi.org/10.32734/sumej.v6i3.11236