GE, Huimin; LIU, Haisheng; WANG, Rui; ZHU, Shuai; SHAO, Linbei. Research on Emergency Logistics Model of Agricultural Products Based on Coupling of Petri Net and Blockchain: (This article was retained at the request of the authors on January 4, 2022). Promet - Traffic&Transportation, [S. l.], v. 33, n. 6, p. 883–891, 2021. DOI: 10.7307/ptt.v33i6.3845. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2973. Acesso em: 27 aug. 2025.