Nurhaslinda, Siregar, E.M. and Anggaraini, P. 2024. A study of the teenage population in the Portibi subdistrict of the North Padang Lawas Regency. International Journal of Public Health Excellence (IJPHE). 4, 1 (Aug. 2024), 145–150. DOI:https://doi.org/10.55299/ijphe.v4i1.1005.