Browsing by Author Wachanga, Samuel W. Prof.
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|2014||The Effect of Science Process Skills Teaching Approach on Secondary School Students’ Achievement in Chemistry in Nyando District, Kenya||Abungu, Hesbon E.; Okere, Mark I.O. Prof.; Wachanga, Samuel W. Prof.|
|2017-02||Using Computer Based Cooperative Mastery Learning to Enhance Students’ Achievement in Secondary School Chemistry in Bomet County, Kenya||Keter, John K.; Wachanga, Samuel W. Prof.; Anditi, Zephaniah O. Dr.|