Ren kou yu ji hua sheng yu qian yan wen ti lun tan (1st 2005 Wuhan, China)
Tʻae-yŏp Kim
Louise Ade Boger
Uri Finḳ
Foro de Análisis Político (12th 2007 Santa Cruz, Bolivia)
Congrès national des sociétés savantes (109th 1984 Dijon, France)
C. K. Ogunba
Michael Hall
Sandra Brown
Girīśa Sāhu
Rāmacandra Beherā
S. M. Nikolaev
Er er ba shi jian 60 zhou nian guo ji xue shu yan tao hui (2007 Guo jia tu shu guan, Taipei, Taiwan)
International Philosophy Symposium (2nd 1984 Athens, Greece)