00517nam a2200181Ia 4500 250428s9999 xx 000 0 und d 978-9-81199458-6 381.142 W6204 2023 The whole process of e-commerce security management system : design and implementation Ronggang Zhang & et. al. Xi�an Jiaotong University Press. 2023 301 pages. E-books Electronic commerce. DDC EB 3760 3760 0 0 0 0 REG SB SB MEB 2023-02-21 0 381.142 W6204 2023 EBOOK 00497 2025-04-29 2025-04-29 EB