Latifahanun, E., and Mahardika Ratih Resti Andani. “The Relationship Between Knowledge and Perceptions With the Completeness of the COVID-19 Vaccination for Students in Yogyakarta”. Journal of Health Research and Technology, vol. 2, no. 1, Feb. 2024, pp. 61-66, doi:10.58439/jhrt.v2i1.171.