SUSANTO, D. .; INARTO, A. . OPTIMIZATION OF THE COLLECTING BUSINESS PROCESS FOR EXPRESS DELIVERY SERVICES USING THE BUSINESS PROCESS IMPROVEMENT (BPI) METHOD AT GERAI BERSAMA ASPERINDO MULTIEKSPRES. International Journal of Economy, Education and Entrepreneurship (IJE3), [S. l.], v. 5, n. 1, p. 167–181, 2025. DOI: 10.53067/ije3.v5i1.346. Disponível em: http://ije3.esc-id.org/index.php/home/article/view/346. Acesso em: 24 apr. 2026.