Natiq Saeed Ghayyib 2023. The Effectiveness of the Thinking Acceleration Model in the Achievement and the Acquisition of Grammatical Concepts for Fifth-Grade Students in the Grammar Subject. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 14, 1 (Feb. 2023), 190–199. DOI:https://doi.org/10.17762/turcomat.v14i1.13417.