Ni Wayan, Uripayoni. 2020. “Hygiene Sanitation and Food Bacteriology Quality of School Canteen In Elementary School In Work Areas Puskesmas II Denpasar Timur”. HIGIENE: Jurnal Kesehatan Lingkungan 6 (2), 108-12. https://doi.org/10.24252/higiene.v6i2.10272.