Silalahi, Angelina, Natalia Sri Martani, Arif Rahman Jabal, Oktaviani Naulita Turnip, and Astrid Teresa. “Correlation Between Personal Hygiene of Handlers With the Presence of Escherichia Coli in Meatball at Palangka Raya University”. Barigas: Jurnal Riset Mahasiswa 3, no. 2 (July 4, 2025). Accessed November 5, 2025. https://e-journal.upr.ac.id/index.php/medica/article/view/18656.