Priyanka Singh
看法
Priya Jeyaraj and Lt Col Sumeet Sehgal
案例报告
Helena Jenzer, Sandra Busser and Leila Sadeghi
简短的沟通
Anwar Joudeh
迷你评论
Bolisabev D, Kunzhigitova G and Burkitbayev T
研究文章
Mohammed El Mokhtar Ould El Mokhtar