Uside, O. N., Wanja, N. M. and Mugero, M. J. (2021) “Collaborative Teaching Strategy and Learner Ability Interaction on Students’ Academic Achievement, in Physics in Nyeri County, Kenya”, The International Journal of Humanities & Social Studies, 9(9). doi: 10.24940/theijhss/2021/v9/i9/HS2109-012.