Keter, John K.2025-07-212025-07-212018-11URI: http://41.89.96.81:8080/xmlui/handle/123456789/1736http://41.89.96.81:4000/handle/123456789/2370enEffects of computer based cooperative mastery learning on secondary school students’ skills acquisition, motivation and achievement in chemistry practicals in Bomet County, KenyaArticle