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1
المؤلفون: Man Xue, ZhaoKai Dai, Zhi Li, Zishuo Li, Chunbin Wan, Yu Wang, Zhe Liu, Xianyu Yang, Jihua Cai
المصدر: SSRN Electronic Journal.
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::e337e3ef08ebdbae7d829654f9544722Test
https://doi.org/10.2139/ssrn.4246420Test -
2
المؤلفون: Houshan Mei, Jiayue Xie, Zishuo Li, Chengming Lou, Guanglu Lei, Xianghong Liu, Jun Zhang
المصدر: SSRN Electronic Journal.
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::c4a41f4cff4fa7ecd899adbccc7e23a2Test
https://doi.org/10.2139/ssrn.3980045Test