Moses Ekpenyong Emem Obong Udoh Escor Udosen Eno-Abasi Urua Improved Syllable-Based Text to Speech Synthesis for Tone Language Systems. 3-15 2011 LTC https://doi.org/10.1007/978-3-319-08958-4_1 conf/ltconf/2011 db/conf/ltconf/ltconf2011.html#EkpenyongUUU11