FYI:
http://misr.mak.ac.ug/index.php?option=com_content&view=article&id=49&Itemid=58
About the Author: Chambi Chachage
Assistant Professor and founder of @Udadisi/Profesa Msaidizi na Muasisi wa @Udadisi - https://udadisi.com/chambi-chachage/
Akaunti ya Twita/Twitter Handle: @ChambiChachage