ROHYANA, C.; WULANDARI, C. ANALISIS EFISIENSI BIAYA OPERASIONAL MENGGUNAKAN PENDEKATAN FORECASTING (STUDI KASUS PT POS INDONESIA KANTOR CABANG GARUT). LAND JOURNAL, [S. l.], v. 4, n. 2, p. 134-153, 2023. DOI: 10.47491/landjournal.v4i1.3045. Disponível em: https://ejurnal.ulbi.ac.id/index.php/jurnalland/article/view/3045. Acesso em: 31 jan. 2025.