KIBATA, P. K.; NYAKUNDI, D. G. INFLUENCE OF PRINCIPALS’ LEADERSHIP PRACTICES ON COLLABORATIVE SCHOOL CULTURE IN PUBLIC SECONDARY SCHOOLS IN TIATY EAST AND TIATY WEST SUB-COUNTIES, BARINGO COUNTY, KENYA. International Research Journal of Social Sciences, Education and Humanities, v. 5, n. 2, p. 263–276, 31 Oct.2023.