Ardiningrum NZ, Lukiyono YT. Effect of 7-step hand washing technique and food sanitation in preventing intestinal parasite infection giardiasis (Giardia lamblia). ETM [Internet]. 2024Nov.23 [cited 2026Apr.16];4(3):41-6. Available from: https://journal2.unusa.ac.id/index.php/ETM/article/view/7086