Dosmaida Nababan, Tumpal Manurung and Lestari Hutahaean 2025. Development Of Functions And Role Of House Head In Infection Prevention And Control In Porsea Hospital. International Journal of Health Engineering and Technology (IJHET). 3, 5 (Jan. 2025). DOI:https://doi.org/10.55227/ijhet.v3i5.253.