Gürbüz, FatihPolat, Zeynep20242717-77502022/69003-01[Abstract Not Available]eninfo:eu-repo/semantics/openAccessMatematik EğitimiInvestigation of The Efficiency of the In-Service Training Course Designed for Algebra Teaching: An Experimental ResearchArticle5132460000-0001-9200-92020009-0002-0995-68611369791