Sinaga, Haripin Togap, and Ignasius Thomas Jorgi Simbolon. “Using Anthropometric Indices to Assess Change in the Nutritional Status of A Population: A Case Study from Samosir District, Indonesia”. Jurnal Penelitian Pendidikan IPA, vol. 9, no. SpecialIssue, Dec. 2023, pp. 171-7, doi:10.29303/jppipa.v9iSpecialIssue.6347.