Asmi, Nur Fauzia, and Kiki Puspasari. 2023. “Relationship Between Knowledge, Attitude and Anxiety With the Implementation of Health Protocols Among Food Vendors at the UMS Campus Environment ”. Poltekita : Jurnal Ilmu Kesehatan 16 (4):482-88. https://doi.org/10.33860/jik.v16i4.1680.