" SIL Electronic Working Papers [http://www.sil.org/silewp/abstract.asp?ref=2008-004]*Kagaya, Ryohei (1993) "A Classified Vocabulary of The Sandawe Language", "Asian & African Lexicon" vol 26.
* Kagaya, Ryohei (1993) 'A Classified Vocabulary of The Sandawe Language', "Asian & African Lexicon" vol 26.