Nur, Z., Musfichin, & Sagir, A. (2026). The Effect of Altruism on Employee Performance at Balai Standardisasi dan Pelayanan Jasa Industri (BSPJI) Banjarbaru . Interdisciplinary Journal of Social Science and Education (IJSSE), 4(3), 185–200. https://doi.org/10.53639/ijsse.v4i3.165