Evi Apriani, Mika Debora, Puja Riqki Ramadhan. Usage Effectiveness Analysis Direct Shopping Budget on Budget Based Performance at the District Office Helvetia Field. siasat [Internet]. 2022Oct.12 [cited 2026May25];7(4):271-84. Available from: http://siasatjournal.id/index.php/siasat/article/view/131