Jais, Achmad. “Analisis Kinerja Dan Prospek Smu Ypk Tenggarong”. Jurnal Ekonomi & Manajemen Indonesia 1, no. 6 (June 24, 2022). Accessed October 1, 2022. https://ejurnal.unikarta.ac.id/index.php/jemi/article/view/150.