Khoirunisa’, Ayu, Dwi Budiningsari, and Joko Prianto. 2024. “he elationship of ptimistic ias ith ygiene and anitation ttitudes mong ood andlers in the anteens of tate igh chool in agelang ity, ndonesia”. erita edokteran asyarakat, June. https://journal.ugm.ac.id/v3/BKM/article/view/13440.