SOTARDUGA SIHOMBING. ANALISIS PENENTUAN HARGA POKOK STANDAR PADA PTPN IV WILAYAH III BAH BUTONG KABUPATEN SIMALUNGUN. Pengembangan Penelitian Pengabdian Jurnal Indonesia (P3JI), [S. l.], v. 3, n. 1, p. 07–13, 2025. Disponível em: https://jurnal.migascentral.com/index.php/p3ji/article/view/299. Acesso em: 21 jul. 2026.