Barre, S.Barmao, A. C.2026-06-122026-06-122026https://dx.doi.org/10.47772/IJRISS.2026.10200143http://41.89.96.81:4000/handle/123456789/3819enProblem-Based LearningCritical Thinking SkillsSecondary SchoolPhysics StudentsIsiolo Sub CountyKenyaProblem-Based Learning: An Approach for Fostering Critical Thinking Skills Among Secondary School Physics Students’ in Isiolo Sub County, KenyaArticle