Yahya, Bernardo Nugroho. “On-Foot Hyperlocal Delivery - An Overview, Challenges, and Opportunities: Case Studies in Korea”. Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri 22, no. 2 (December 7, 2020): 75-84. Accessed April 23, 2024. https://jurnalindustri.petra.ac.id/index.php/ind/article/view/23351.