Quality of teaching mathematics and learning achievement gains: evidence from primary schools in Kenya (Ngware, M.W., Ciera, J., Musyoka, P.K., Oketch, M., 2015. Quality of teaching mathematics and learning achievement gains: evidence from primary schools in Kenya. Educational Studies in Mathematics 89, 111131. doi:10.1007/s10649-015-9594-2)
Ngware, M. W., Ciera, J., Musyoka, P. K., & Oketch, M. - 2015