Ramadhani, Firdausi, and Nuryani Nuryani. “Knowledge Have Correlation With Preventive Practice Covid-19 in College Students of Gorontalo”. Jurnal Ilmiah Kesehatan (JIKA), vol. 2, no. 3, Dec. 2020, pp. 108-17, doi:10.36590/jika.v2i3.71.