Kandagor, Daniel, & Antony Mang’oka. " Language Predation: How L1Interference Contributes to Lexico-Grammar Errors in the Pupils’ Written Work among Tugen Speakers from Baringo County, Kenya." Mara Research Journal of Humanities & Social Sciences - ISSN: 2519-1489 [Online], 3.2 (2018): 1 - 11. Web. 27 May. 2019