Gusti Ayu Widiantari, N., M. Umiyati, and I. Gusti Ayu Agung Dian Susanthi. “Modal Auxiliary Verbs Founds in Medical Sciences: Frequency, Structure, and Function”. KnE Social Sciences, Vol. 7, no. 10, July 2022, pp. 288-96, doi:10.18502/kss.v7i10.11297.