HAYUDINI, M. A. E. A.; HUSSIN, B. E. A.; AMING, R. E.; ABDURAHMAN, J. Q.; ABDURAHMAN, A. E. A.; YNAWAT, M. B. Incidence of Dengue Hemorrhagic Fever in the Selected Elementary Schools in Jolo and Its Preventive Measures Applied by Their School Prin-cipals, School Teachers, and School Nurses. International Journal of Multidisciplinary: Applied Business and Education Research, v. 3, n. 11, p. 2245-2254, 12 Nov. 2022.