Tolong jelaskan mengenai Pautan luar dari Konsonan klik dalam bahasa melayu

Collection of click-language links and audio samples .

Nicholas Wade, "How an ancient click clique started our mother tongue", The Age,19 March 2003.

Hartmut Traunmüller (2003) "Clicks and the idea of a human protolanguage", Phonum 9: 1 - 4 (Umeå University, Dept. of Philosophy and Linguistics)