K
Ou, Keting, College of International Studies, Shenzhen University, Shenzhen 518000, Guangdong, China
L
Ou, Lejia , Adamson University, Manila 1000, Philippines; Changsha Preschool Teachers College, Changsha 410600, Hunan Province, China
R
Ou, Ruixuan, Raoping County Technical School of Chaozhou City, Chaozhou 521000, Guangdong, China
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